Bangor Police are searching for a man suspected of robbing a convenience store.Officers responded to the Mini Mart at the corner of Union and 14th streets late Tuesday afternoon. The store clerk says a masked man threatened him with a gun.He estimates the suspect made off with about $300 dollars, then took off in a car.”He stopped at the front, most people just go through the store and do what they want to do. this is when i turned around and and looked, he had a gun. i started walking over and he had a brown paper bag and said ‘money in the bag,” said store clerk Bret Alley. Nobody was injured and the crime scene is still being investigated.