Armed man shot, killed by Philadelphia police outside St. Christopher's Hospital for Children

PHILADELPHIA (WPVI) -- Philadelphia police say an armed man was shot and killed by an officer outside of St. Christopher's Hospital for Children.

It happened around 10:30 a.m. Thursday in the area of St. Chris Drive in the city's Hunting Park section.

Officials say police arrived to find a man armed with a gun and an officer discharged, striking the man.

The victim was transported to an area hospital where he was pronounced dead.

It's unclear why the man was armed or if he attempted to fire at police first.

A woman who was standing next to the man was also critically injured, though it's not yet clear how.

The shooting remains under investigation.

This is a breaking news story and will be updated.