The SNP say Labour has "failed to support Scotland's NHS as the long delayed Labour manifesto offered the lowest commitment to NHS funding of any party".

The SNP's Shona Robison said: "It is clear the Labour party are preparing to let down Scotland's valuable health service. 

Image source, bbc

Ms Robison says: "Instead of joining the SNP and committing the investment that is needed to make the service fit for the 21st century, Labour are short-changing Scotland's NHS. 

"That is a true betrayal of Labour's roots."

So Scottish Labour has published its manifesto ahead of the Holyrood election on 5 May. 

• At-a-glance: Scottish Labour manifesto

Image source, PA

The full manifesto can be here., external

Image source, Thinkstock

The latest Scottish Parliament election poll for broadcaster STV, external suggests that Scottish Labour will fall to third place, behind the Scottish Conservatives.

Current polling north of the border gives first spot to the SNP. However, the surveys of Scotland's voters is less clear about who will form the single biggest opposition party.

Wednesday's Ipsos-MORI poll for STV was carried out between April 18 to 25 and involved interviews with 1,015 adults in Scotland.

What have other polls been showing?

• A BMG, external last week suggested Labour was ahead of the Conservatives - by five points on the constituency vote and four points on the list. 
• A Survation, external poll - also last week - suggested the outcome was "too close to call". The company put Labour at 18% on the constituency vote and 17% on the list just a point ahead of the Conservatives on the constituency vote and a point behind on the list. 
• A Panelbase, external poll that appeared in the Sunday Times put Labour one point ahead of the Conservatives.

Professor of politics at Strathclyde University, John Curtice, said in his online blog, external that the battle for second place "is evidently not resolved".

Rise has unveiled its manifesto, external for the Holyrood election, with the left-wing alliance saying it will offer a "comprehensive prospectus for change".

The manifesto issues a "challenge" to the other pro-independence parties by calling for a second referendum within the next five years.

It also proposes a "living income" for carers, and a higher rate of income tax for the wealthiest 1%.

Rise is fielding 40 candidates across the eight electoral regions.

• Read the Rise manifesto here, external

The front cover of the 30-page manifesto, external sets out in bold letters UKIP's promise to "shake up Holyrood" if the party manages to win seats in the Scottish Parliament for the first time.

Inside, the party's Scottish leader David Coburn contrasts UKIP with the "tired old establishment parties which spout the same old havers".

UKIP is fielding a total of 26 candidates across Scotland's eight regional lists, with the party hopeful that the debate over whether or not the UK should leave the EU will translate into enough electoral support for it to win its first seats at Holyrood.  

• Read the UKIP manifesto, external
• UKIP manifesto pledges new 30p income tax rate
• The BBC's Philip Sim was at the UKIP manifesto launch, external
• UKIP manifesto: At-a-glance

The Holyrood manifesto, external of the Scottish Greens has pledged to create 200,000 jobs in oil and gas decommissioning, renewables and housing.

The Scottish Greens believe Scotland can be fairer, greener and healthier and that the Scottish Parliament can be "so much bolder" in meeting the ambitions of the people of Scotland.

Image source, Getty Images

The party says its candidates have a solid track record of making a difference inside and outside Holyrood.

Its manifesto says: "We bring fresh, new, bold ideas to parliament. We will work constructively with others who share our aims. Holyrood - and Scotland - needs diverse politics and progressive champions to hold the biggest parties to account.

• Read the Scottish Greens manifesto, external
• At-a-glance: Scottish Green Party manifesto
• What have the other parties been doing on the campaign trail?
• Brian Taylor on the Scottish Green manifesto launch

In his introduction, external, Scottish Liberal Democrat leader Willie Rennie sets out his vision of how to "make Scotland the best again".

He argues that Scottish education, healthcare, civil liberties, climate change targets and local services were once the envy of the world, but have been allowed to stagnate.

Mr Rennie also states that the five Liberal Democrats elected in 2011 "punched above their weight" over the next five years, and that electing more this time would allow the party to do "so much more".

And he reiterates his opposition to Scottish independence, insisting that it is time for the country to move on from the referendum.

• Read the Scottish Liberal Democrats manifesto, external
• Scottish Lib Dems unveil their manifesto
• The BBC's Brian Taylor on the Scottish Lib Dems campaign trail
• At-a-glance: Scottish Lib Dem manifesto

Unusually for an election manifesto, Scottish Conservative, external leader Ruth Davidson seems almost at pains to point out that she has no chance of winning the election and becoming first minister.

Instead, she describes the manifesto as her application for the job of providing strong opposition to the SNP - a role she says has been left vacant by Scottish Labour for the previous nine years.

Image source, PA

Read more on the Scottish Conservative manifesto below. 

• Read the Scottish Conservative manifesto, external
• The BBC's Brian Taylor on Tory preparations for opposition
• At-a-glance: Scottish Conservative manifesto

Nicola Sturgeon made a personal plea for voters to elect her as Scottish first minister as she launched the SNP's Holyrood election manifesto, external.

The party goes into the election on 5 May hoping to secure a third consecutive term in government.

Image source, EPA/Robert Perry

It will be the first time Ms Sturgeon has led the party in a Scottish Parliament election.

The manifesto does not include a specific pledge to hold a second referendum on independence.

But it promises to increase NHS funding by £500m more than inflation over the five years.

• Read the SNP manifesto, external
• Follow the BBC's Philip Sim at the manifesto event, external
• See the manifesto at-a-glance
• Brian Taylor on the SNP's manifesto launch

Now that Scottish Labour have launched their manifesto, external, it's time to take remind ourselves about all the parties' manfiestos.

Image source, PA

• Read the Scottish Labour manifesto, external
• The BBC's Philip Sim at the Labour manifesto launch, external

This week we have been looking at the party's opinions on key issues.

Here we look at what they have to say on Scottish independence. 

• no to second independence referendum for the next parliament

This week we have been looking at the party's opinions on key issues.

Here we look at what they have to say on Scottish independence. 

• would be a "different context" for another independence referendum
• written constitution produced by the Scottish people in a citizen-led process
• a petition signed by an appropriate number of voters, citizens should be able to trigger a vote on important issues of devolved responsibility
• further devolution to local government

This week we have been looking at the party's opinions on key issues.

Here we look at what they have to say on Scottish independence. 

• no to second independence referendum for the next parliament
• continue to make the case for a diverse, federal UK

This week we have been looking at the party's opinions on key issues.

Here we look at what they have to say on Scottish independence. 

• no to a second independence referendum for the next parliament
• support the creation of a new UK-wide effort to promote the strengths and values of the Union

Image source, Getty Images

This week we have been looking at the party's opinions on key issues.

Here we look at what they have to say on Scottish independence. 

• a second independence referendum when independence is the "preferred option of the majority of the people of Scotland"

• or if there is a "significant or material change in the circumstances", such as "Scotland being taken out of the EU against our will"
• summer campaign to persuade people on case for independence

The Scottish Labour party has launched its manifesto and reaffirmed its opposition to a second independence referendum. 

Scottish Labour leader Kezia Dugdale said its "unequivocal" that Labour oppose another independence referendum.

Image source, Getty Images

Ms Dugdale says says she wants to move on and use the new powers coming to Holyrood

She said it was a myth that independence was the only way to change things and said she was "appalled" that the SNP can't make plans to use the new powers. 

The Scottish Labour leader, answering questions after her manifesto launch speech, also said "you can't trust the Tories with the Union; they are a risk to the Union".