Two paintings of sunflowers by the post impressionist artist Vincent Van Gogh have gone on display at the National Gallery.
The paintings have been reunited for the first time in 65 years after the Van Gogh Museum in Amsterdam agreed to lend their painting to the Trafalagar Square gallery.
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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.