Police questioning a 38-year-old man on suspicion of killing a married couple in an alleged hit-and-run in Bristol have been granted more time.
The suspect, who has not been identified, handed himself in to police hours after Ross and Clare Simons were killed on Sunday.
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A 23-year-old man has been arrested in connection with the attack at Manchester Arena last night.
Theresa May says police think they know identity of lone bomber as she contrasts "warped" terrorist with courageous emergency services.
Donald Trump has branded those who take part in terrorist acts as "evil losers" in the wake of a suicide attack at Manchester Arena.