Man armed with screwdriver fends off woman's attacker: 'He ...tried to kill her'

As an attacker was stabbing a woman in an alley on the West Side, a man heard her screams and rushed in to help her, armed with a screwdriver late Sunday, Chicago police said.

He scared the attacker off, but the 47-year-old woman was seriously injured with a stab wound to the back. She was rushed...