Collingdale police have issued an arrest warrant for Conroy Williams, the man believed to have been driving a Range Rover that was involved in a brutal hit-and-run Saturday morning.

Williams, 37, whose last known address is on Robinson Street in West Philadelphia, is charged with attempted murder, aggravated assault and related offenses.

Cops say Williams intentionally struck Joel Witherspoon, 36, early Saturday morning outside his home on Bedford Avenue. Witherspoon was severely injured.

"He was lying in wait," said Collingdale Police Chief Robert Adams.

Williams is believed to have a child with Witherspoon's ex-girlfriend.

Tipsters: Call 9-1-1 or Collingdale police at 610-565-6500.