CCTV shows bomber calmly entering Sri Lanka church

This still image taken from Sri Lankan closed-circuit TV on April 21 shows a suspected bomber (centre) with backpack on his way to enter St. Sebastian's Church in Negombo, Sri Lanka. (Photo by Handout / CCTV Sri Lanka / AFP)

NEGOMBO (AFP): Chilling CCTV footage has emerged showing a suicide bomber calmly patting a child on the head and shoulder moments before he walked into a packed Sri Lankan church, unleashing carnage.

The images capture the final seconds of serenity before the calm was shattered with a series of coordinated attacks that would between them claim more than 350 lives at six sites across Sri Lanka.