Police have launched a manhunt in Canadian city of Moncton, New Brunswick, after three officers have been shot dead and two wounded.
The Royal Canadian Mounted Police New Brunswick Division warned residents of the city to stay indoors and said that officers are searching for a 24-year-old suspect.
Police and local media also tweeted a photo of a man they claimed to be the suspect dressed in military camouflage clothing and carrying firearms.
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Paramedics attended a scene in Willesden, north-west London, on Monday afternoon where they found the teenager with stab wounds.
The popular game relies on Google Maps, a problem in South Korea as those functions are limited by the government.
A Met Office warning covering much of England and south-east Wales is expected to remain in place until 11am.