Police have arrested a man in Ventura County, California on suspicion of manslaughter for the death of a Jewish man who fell to the ground during an altercation at pro-Israel and pro-Palestinian street demonstrations earlier this month, Reuters reports.

Paul Kessler, 69, died of blunt force head trauma a day after he fell and hit his head on the ground at the Nov 5 protests in Thousand Oaks, about 55km west of Los Angeles. A medical examiner ruled his death a homicide.

Deputies from the Ventura County sheriff’s office arrested Loay Alnaji, 50, at his home in Moorpark on suspicion of involuntary manslaughter, and he was booked at a county jail.