Philadelphia policeman wounded in robbery dies

A police officer was shot in the forehead during a hold-up in a doughnut shop in Philadelphia. The killer wasn't found. Charles Cassidy, 54, was the third officer shot in four days in a city robberies.

He was shot in the forehead Wednesday at a Dunkin' Donuts when a hooded robber spun from the counter and fired at him as he walked in the door, according to an employee.

The 25-year police veteran died at 9:40 a.m.

Thursday at Albert Einstein Medical Center, Commissioner Sylvester Johnson said.

"This is a sad day for the city of Philadelphia," Johnson said.

Philadelphia has faced an uptick of gun violence recently, with more than 400 people murdered in the city in the last year the highest total in nearly a decade. This year's pace is nearly identical. The vast majority of the murders are committed with guns.

Authorities said the suspect in Cassidy's shooting had not been found as of Thursday.