At least 56 people were injured in a bomb attack Tuesday afternoon at a retail store in restive southern Thailand, according to police, military and hospital sources.They said the attack at a two-story Big C hypermarket in the Muang district of Pattani province happened around 2:40 p.m. and involved two blasts.The first bomb exploded at the store's entrance gate. After police, soldiers and bomb experts arrived on the scene, another bomb, believed to have been planted in a pickup truck in the store's parking lot, exploded.Thousands of people have been killed since an insurgency began in 2004…READ FULL ARTICLE