Six O'Clock News

The Prime Minister has said there are "serious questions" for the police to answer about the murder of a student who was handcuffed and arrested while he lay dying - after his killer falsely accused him of racism. Henry Nowak was stabbed as he returned from a night out in Southampton in December last year. Also: New phase of the El Niño could be one of the strongest ever recorded. Evacuations in Ukraine's Kharkiv region as Russian attacks intensify. UK Athletics fined for manslaughter after athlete killed by collapsing shot-put cage. And: Knighthoods and Damehoods for Idris Elba, Torvill and Dean and Meera Syal.