Northbound Interstate 35 is closed at Ronald Reagan Boulevard after a Friday morning crash. Drivers should expect delays.

The spokesperson said a Colerain Township police cruiser was hit, and an officer was transported to a hospital with injuries.

The officer was looking for a dog reported loose on the highway when his cruiser was struck from behind.

The crash disrupted flights at Reagan National Airport. Several dozen emergency crews could be seen at the scene of the crash, apparently just south of Reagan National Airport’s upper departure area, ...