Police say 17-year-old Michael Nixon turned himself in Tuesday night. He is charged as an adult with homicide and carrying a firearm without a license in the fatal shooting of 16-year-old Khalief Webster on May 18 in broad daylight.

A 17-year-old boy has been arrested for killing a fellow student at Upper Darby High School earlier this week, officials said Wednesday. Michael Nixon has been charged as an adult with murder and related crimes for shooting Khalief Webster in the back on Sunday during an argument on Long Lane near Pine Street,

Mark Dial told jurors he feared for his life when he shot and killed Eddie Irizarry as he sat in his car in Kensington in 2023.

Prosecutors’ sole expert witness in the murder trial of former Philadelphia Police Officer Mark Dial said Tuesday that the fatal shooting of Eddie Irizarry was unjustified — but he said he did not review state law on the permissible use of deadly force by police before forming that opinion.

Closing arguments are expected Wednesday in the murder trial of former Philadelphia police officer Mark Dial charged in the killing of Eddie Irizarry in Kensington.