The leader of the Unite union has said there will be further bus strikes in London if a deal is not struck on giving bus workers an Olympic bonus. Thousands of union members walked out on Friday causing delays for passengers.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.