US police have arrested a suspect after six people were killed in a mass shooting at an Independence Day parade in Highland Park, Illinois.
Robert E Crimo III, 22, was detained after a brief chase, police said.
The gunman climbed onto a roof, shooting randomly at spectators using a high-powered rifle.
It is the latest mass shooting to hit the US – there has been one every week of 2022. President Joe Biden said he was “shocked” by the violence.
Hours later, two police officers were…