a terror investigation following an explosion that injured at least seven people in the city of leon. our correspondent melissa bell is working the story. joining us live from paris. i understand there is now a photo of the suspect. that s right. it s been distributed in the hope that someone will provide authorities with the hint or clues, something that might lead them to this man it s a fairly grainy photograph but captured off the cc tv footage. the man struck at 5:30 p.m. the heart of historic leon knelled have been sitting down for a drink. it would have been very busy. according to what we hear from authorities that cc tv of which there is a lot in the busy part of town shows a man righting up in a bicycle, depositing what looked like a suitcase which turned out to be full of nails and metal and glass and knows are the sorts of injures the people sustained and riding off before the thing exploded two