ST. PETERSBURG, Fla.—Two Florida sheriff’s deputies fatally shot a domestic violence suspect who refused their orders to drop his gun, officials said Tuesday. Pinellas County Sheriff’s deputies responded to a call Monday night about a domestic dispute between a woman and her ex-boyfriend, according to St. Petersburg Police Chief Anthony Holloway. According to an incident report, the ex-boyfriend hit the woman and her teenage son as the boy attempted to stop the attack. “The child came to his mom’s rescue, but he also hit the child,” Holloway said during a news conference on Tuesday. The deputies took information about the incident and went to the man’s home some 90 minutes later to arrest him on charges of domestic violence and child abuse. The man got into his car as deputies approached, Holloway said. They tried to confront him, but saw he had a gun. They asked him to drop the …