New York Mayor Michael Bloomberg and the city's police commissioner Ray Kelly are speaking in response to claims the Boston Marathon bombing suspects planned to detonate bombs in Times Square.
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The Olympian was one of several sports stars who opened up to the prince during an event for his mental health charity Heads Together.
There will be sunny spells, with temperatures peaking at 23 Celsius (73F). However, Northern Ireland will experience frequent showers.
Scottish X-Men star Alan Cumming under fire for 'offensive' comments blaming Brexit vote on 'stupid English people'.