Brussels: Man in White traced using surveillance cams

Brussels police release new surveillance footage showing the Brussels suspect as he slipped away from the airport afterward. How are they tracking him?The Belgian Prime Minister announced a new investigation into the security lapse in Brussels and how to stop another terror attack. CNN's Alexandra Field reports.Belgian prosecutors on Thursday appealed for help in finding a man suspected of leaving a bomb at Brussels Airport, saying they were eager to find a coat he had discarded and to speak to people who saw him on his hour-long walk back into the city. Federal prosecutors released new pictures of the suspect, dubbed the "man in the hat". 32 people were killed in coordinated terror attacks in the Belgium capital on March 22. 

Belgian police have released new video of a man wanted in connection with last month's Brussels airport bombing.He's believed to have escaped after his explosives failed to detonate, but prosecutors hope the new footage may help track him down. Al Jazeera's Nadim Baba reports.