Interview the suspect and see if they can determine whether or not race or bias was a factor in the attack. A former San Francisco commissioner attacked and tonight, San Francisco police announced that suspect has been arrested. Good evening and thank you for joining us for kron. 4 news at 10. Im dan thorn kron fours. Justin campbell has been following this story for us and tonight hes got some new details. Police tell me longtime commissioner greg to feels relieved knowing someone is behind bars after he was attacked on the streets last week. 70 yearold former San Francisco commissioner greg chew outside the most goni center in San Francisco last week who had been assaulted and pushed to the ground to suffered nonlifethreatening injuries. Sunday Police Arrested 34 yearold San Francisco resident derek carr. Be your be charged with battery, aggravated assault and elder abuse. Police now trying to find a motive behind the attack. Investigators will be attempting to interview the suspect