At least four people were killed and two others injured in a deadly stabbing spree that occured in a California city on Wednesday, according to police.

The incident took place in the city of Garden Grove, 60 km southeast of downtown Los Angeles, Xinhua news agency reported.

According to the Garden Grove Police Department (GGPD), the deputies encountered and arrested the attacker who was armed with a knife and handgun in the 7-Eleven convenience store after the suspect had stabbed six victims along a main street in the city.

The man’s name has not been released and his motive is not currently known.

Garden Grove police Lt. Carl Whitney said motive appears to be robbery as well as anger and hate. He did not comment further on the reasons for the attack.

“GGPD working multiple scenes with several homicides. Multiple robberies and stabbings by the suspect. Suspect in custody…,” the force said in a tweet.