At least seven people were killed and 19 were injured when an air ambulance crashed into a busy Philadelphia intersection, officials said Saturday.

A medical transport jet carrying a pediatric patient and five others has slammed into a Philadelphia neighborhood and exploded in flames.

The plane crashed in a busy intersection near Roosevelt Mall, an outdoor shopping center with dozens of stores and restaurants in the residential neighborhood of Rhawnhurst.

The St. Louis Cardinals signed three players to minor-league contracts, headlined by veteran right-hander Zack Weiss, who will try to stick with a big-league cl ...