By Kelly Geraldine Malone THE CANADIAN PRESS WINNIPEG _ Police zapped a man with a stun gun and took him into custody Friday after a suspect stole a fire truck and drove it, lights flashing and horn blaring, through downtown Winnipeg. Const. Rob Carver said it appeared that the suspect was targeting pedestrians as police cruisers pursued the fire truck. It rammed into another vehicle, knocked down a utility pole and drove onto the grass in Central Park, he said. “It had run into a tree and through stop signs, and it was swerving, actively trying to hit everything he could on the way,” Carver said, reading observations from police officers who took part in the pursuit. The fire truck was parked after responding…