Investigations Continue At The Scene Of Salisbury Spy Poisoning

SALISBURY, ENGLAND - MARCH 13: Police officers stand guard by a forensics tent over a pay and display machine in a Sainsbury's car park as investigations continue into the poisoning of Sergei Skripal on March 13, 2018 in Salisbury, England. British Prime Minister Theresa May has given the Russian government a deadline of midnight tonight to explain why a nerve agent of Russian origin was used in the poisoning of former Russian agent Sergei Skripal and his daughter. Mr Skripal who was granted refuge in the UK following a 'spy swap' between the US and Russia in 2010 and his daughter remain critically ill after being attacked with a nerve agent. (Photo by Jack Taylor/Getty Images)