10 shot by teen gunman at Florida party venue, police say

SANFORD, Fla. — A teenage gunman wounded 10 people when he opened fire early Sunday after fighting broke out during a private event at a Florida party venue, authorities said.A security guard tackled and disarmed the shooter almost immediately, and a second guard handcuffed him until sheriff’s deputies arrived, according to an arrest report from the Seminole County Sheriff’s Office.None of the victims suffered life-threatening injuries, the sheriff’s office said in a statement. It said 10 people were treated at a local hospital for gunshot wounds, primarily below their…