Up and away? Your Tube strike solutions

Artist Claudine O'Sullivan offers an alternative to the Tube

Commuters and travellers in London have been hit by a Tube strike.

More than four million people could be affected, but some have taken to social media to see the lighter side.

An online funeral company gave a philosophical slant:

From The Daily Grindstone, there was just a hint of sarcasm about alternative routes, such as the bus, which no-one else would have thought of:

Earlier, Clapham Junction rail station was evacuated, but commuters were appeased by a little light music, as tweeted by Alicia Harries:

It's not just commuters who were struggling. Rupert had his tongue in his cheek when he wondered how the tourists would manage with the three-minute walk between two London destinations.

The motto "Be prepared" might be well known in the Girl Guides, but these skills could also prove useful for some commuters, as Alex tweets his survival kit:

True to form, humour website The Poke, posted a London Underground notice board:

Not everyone has been having such a terrible time of it, however. Twitter user Mark was glad people could enjoy the walk:

And Sofia noted an increase in the capital's cyclists:

On a more serious note, some organisations, like the MS Society, have been using the strike as an opportunity to highlight the suffering of others:

Compiled by Sherie Ryder, BBC UGC and Social News team