Wood strays down leg for another wide but only a leg bye otherwise off the rest of the over.

Mark Wood has a new run up - it's longer than before and he seems to curve into it at the beginning.

He finds swing with the second ball back into the left-handed Dickwella, who gets it off an inside edge into leg for a single.

England have two slips for the right-handed Sadeera Samarawickrama and he also gets off the mark with a single.

Mark Wood has the chance to re-stake his claim for a World Cup spot today.

The Durham quick will start to Niroshan Dickwella...

And he starts with a wide down leg side.

Olly: England look a batsman short in this side - would have liked to have seen Denly, not only a brilliant batsman but bowls them filthy leg breaks. How good is it to see the Curran brothers in the side? They are both so talented.

Simon Mann
BBC Radio 5 live in Colombo

It looks good here in Colombo. We can see blue sky. Don't be too deceived by that. The way it has been in the last few days we have had heavy rain in the evening.

There is a good chance we will get at least 70 overs in today and won't have to come back tomorrow for the reserve day.

That second paragraph has made cricket journalists everywhere very happy...

On a brief tangent, at the weekend I went to the Cavern Club in Liverpool (the [replica of the] famous venue where The Beatles played in their early years).

There are photos of notable performers on the walls including...er...former Australia cricketer Shane Watson.

Watto played a cover of Mr Brightside by The Killers on a visit to the club with the Australia team during the 2013 Ashes.

I hear he was pretty insecure about his singing - he kept asking for reviews...

Image source, Jack Skelton

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That also means it's the first England appearance together for brothers Sam and Tom Curran.

They become the first brother to play together for England since Adam and Ben Hollioake in 1999.

The hosts make two changes, both in the bowling department, with Dushmantha Chameera in for Lasith Malinga and Lakshan Sandakan replacing Amila Aponso.

Sri Lanka: Niroshan Dickwella, Sadeera Samarawickrama, Kusal Mendis, Dinesh Chandimal, Dhananjaya de Silva, Thisara Perera, Dasun Shanaka, Akila Dananjaya, Dushmantha Chameera, Kasun Rajitha, Lakshan Sandakan.

England make three changes, with Sam Curran, Liam Plunkett and Mark Wood in for Eoin Morgan, Chris Woakes and Olly Stone.

Jonny Bairstow is still out having twisted his ankle playing football in training - indeed he will also miss the sole Twenty20 to follow this series. Alex Hales retains his place as opener.

England: Jason Roy, Alex Hales, Joe Root, Jos Buttler, Ben Stokes, Moeen Ali, Sam Curran, Adil Rashid, Liam Plunkett, Tom Curran, Mark Wood.

England stand-in skipper Jos Buttler, speaking at the toss: "I would've looked to bowl anyway - there is a bit of weather around so chasing will suit us.

"It's always a honour when you get a chance to captain and it's great to get exposed to it.

"I'm going to move up the order to bat at four. This match is also a great chance for all the bowlers, there is a lot of competition and they're all desperate to impress."

Sri Lanka captain Dinesh Chandimal, speaking at the toss: "It looks like a really good pitch and it's really dry so it's better to bat first and get a big score to put them under pressure.

"We've rested Lasith Malinga and when you're going to the World Cup you want to give youngsters a chances and I'm sure they will do their best with this opportunity.

"Kusal Mendis is out future so that's why we keep giving him a chance and I'm sure he will come back strongly.

"We are a young team and we are improving. In the last game we were close to winning and if we can win a game or a series then everything will fall into place."

And Jos Buttler's first act as stand-in skipper is to lose the toss.

Sri Lanka counterpart Dinesh Chandimal elects to bat first.

Image source, Getty Images

And we start with some breaking team news...England captain Eoin Morgan has dropped himself for this one, with Jos Buttler in charge.

That's one of three changes for the tourists, with Sam Curran, Liam Plunkett and Mark Wood coming in for Morgan, Olly Stone and Chris Woakes.

Welcome to the fifth and final match of the rained-off international series between Sri Lanka and England (with occasional breaks for cricket).

All four of the matches so far have been affected by the weather (it's monsoon season in Sri Lanka of course) with the first one a no result and England winning the next three to take an unassailable 3-0 lead into this one.

Could we get a full game today? It's looking lovely in Colombo right now...

But the BBC Weather app informs me that 'light showers' are forecast later. Not that forecasts have proved much use so far on this tour. And not that the rain has ever been 'light' either...