The Woolwich Ferry has been suspended due to a high tide.
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It reportedly threatened attacks on planes "flying from Heathrow to the US" across the July 4 US Independence Day holiday weekend.
More than 50 firefighters were called in the early hours of this morning after a car ploughed through a shop window and burst into flames.
A poll of Britain's largest trade union, seen by ITV News, indicates more than half of those surveyed think the Labour leader should quit.