Shadow justice secretary Sadiq Khan said David Cameron took the decision to go on holiday based on the intelligence that he knows.
He said: "He's got the intelligence at his finger tips, he will know what the events of last week, what they involve, with intelligence, he's got people advising him - he's taken the decision to go on holiday and it's a decision that he's got to stand by."
More top news
Thursday could be the warmest day of 2017 so far, with temperatures of 22C (72F) forecast, double the average for March.
Former cricketer Andrew Flintoff and Tony Blair's ex-spin doctor Alastair Campbell talk about mental health battles in a series of films.
Row over apparent threat to security co-operation with the EU unless it agrees to a trade deal is a "misunderstanding", a minister has said.