The mother of Lance Corporal Liam Tasker, Jane Duffy, says her son formed an incredibly close bond with Theo, because they were never apart.
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Nick Bailey was poisoned by the Novichok nerve agent while working on the investigation into the attack on the Skripals.
Police have released footage from the cameras in the Uber self-driving car that fatally struck a pedestrian.
President Donald Trump announces tariffs on China to curb theft of U.S. technology.