Two of Dzhokhar Tsarnaev's roommates were arrested on charges of making false statements to investigators and conspiracy to obstruct justice, according to CNN.
It was also reported that the two students are from New Bedford, Massachusetts.
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David Cameron is to put working people "front and centre" of his economic plan our economic plan" if the Conservatives win the election.
Nearly 38,000 runners will hope to complete Sunday's London Marathon making it the biggest event in its 35-year history.
Rain across central Britain with longer, intense downpours with thunder in places this evening. A lucky few will stay sunny and dry.