A Haines man faces a felony assault charge after the trailer he was towing broke loose, seriously injuring a bicyclist near 5.5 Mile Lutak Road.

State trooper Dru Neason said he would pursue third-degree assault and reckless driving charges against the 54-year-old man, whose ATV utility trailer was not designed for road use, was attached to a wrong-sized ball and lacked a safety chain.

“He was operating a vehicle that shouldn’t have been on the…