Beluga Whale Spotted In London's River Thames

CNN reports A beluga whale has been spotted swimming in the River Thames, sparking fears that the creature is in danger.The whale was first seen by ecologist Dave Andrews, who tweeted a video of the mammal swimming in the river off Coalhouse Fort, Essex. He tweeted: "Can't believe I'm writing this, no joke - BELUGA in the Thames off Coalhouse Fort." .