The once-weekly 'rail replacement' bus between Ealing Broadway and Wandsworth Road will make its final run today. The service was put on to replace a train service between Birmingham and Brighton which ceased in 2008.
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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.