Saudi Arabia issued multiple warnings to German authorities about the suspect, who attacked a Christmas market in Magdeburg on Friday evening, which killed five people and over 200 injured, CNN reported citing sources CNN source confirmed on Saturday that Saudi officials sent four formal notifications,

German police had been repeatedly warned that a Saudi doctor who is suspected of ploughing a car into crowds at a Magdeburg Christmas market posed a terror threat.

A 50-year-old doctor from Saudi Arabia, who has been living in Germany since 2006, is the prime suspect in the Christmas market attack in Magdeburg, Germany, which killed five people