Residents evacuated from the village of Moorland in Somerset after the floods have slowly started to return - but fear for their future.
A 'selfie' the Prime Minister tweeted of his Ukraine crisis talks with Barack Obama has been widely mocked on the social network.
The Mayor of London's latest radio appearance saw him leave the door open to making a bid for Parliament at next year's General Election.
David Cameron has said a public inquiry into the work of undercover policing will "make sure we get to the truth".
The inquiry was commissioned after a report into the police inquiry into the murder of Stephen Lawrence uncovered evidence of corruption.
The Prime Minister added: "It should have not taken this long and the Lawrence family have suffered far too much."
David Cameron has tweeted Sir Patrick Stewart with a "face to face" picture of him meeting Bill Clinton after the actor mocked the Prime Minister yesterday.
The Star Trek actor posted a picture of him holding wet wipes to his ear after the Prime Minister's official Twitter account tweeted an image of him on the phone to US President Barack Obama.
Mr Cameron's earnest pose led to widespread derision on the social networking site, with US comedian Rob Delaney holding a tube of toothpaste to his ear.
David Cameron has said the European Union will consider far reaching steps against Russia if it continues to take steps to "destabilise" the situation in Ukraine.
He said asset freezes and travel bans on Russian officials could happen "relatively quickly" unless progress in talks are made, and revealed that he EU had agreed to suspend negotiations on easing visa rules for Russians in response to President Vladimir Putin's intervention in Ukraine.
Mr Cameron was speaking after a meeting of European Union heads of state in Brussels.
David Cameron said it could not be "business as usual" for Russia after their involvement in the Ukraine crisis, and said talks between the two countries "need to get started very, very soon".
A £20m package to protect the Somerset Levels from flooding is a “big step forward”, the head of the county council has said.
John Osman welcomed the move from ministers, which he said was “bringing hope to our flood-hit communities”.
The Environment Secretary has announced a £20.5m package to help protect the Somerset Levels from flooding.
Owen Paterson said the 'key thing' for local people was that the Rivers Tone and Parrett would now be dredged as soon as possible.
David Cameron said the EU wanted to show that they are there for the Ukrainian people in their "hour of need" as he arrived in Brussels for talks with fellow European leaders.
The Prime Minister said he was also determined to get Ukraine and Russia talking to one another about the crisis and send a "very clear message" to Vladimir Putin's government that the situation is "unacceptable."
He added: "This matters to people in Britain because we benefit from a world in which countries obey the rules and we also benefit when we enable people like those in Ukraine being able to choose their own future."
The Prime Minister is being urged to back a £100 million package to protect the Somerset Levels from more devastating floods.
Bridgwater and West Somerset MP Ian Liddell-Grainger, who will deliver the 20-year plan to Downing Street later, said he was confident the Government would support the measures.
"The Prime Minister made it very clear that money would be no object on this," he sad.
"If we are going to secure the Levels for the future we are going to have to do this.
"We are one of the biggest economies in the world. We can afford it.
"The Prime Minister is fully aware of the cost of putting the Levels back and securing it."
An action plan from residents calls for a new tidal barrier at Bridgwater, raising the level of key roads and extensive dredging of rivers.