Two more homeless men were attacked in San Diego early Friday and a suspect was taken into custody, police said.
San Diego police said the attacks are related to six recent assaults against homeless men this month, including three fatalities, KTLA sister station KSWB reported.
The first attack Friday occurred in downtown about 4:05 a.m. when a man was hit on the head with an unknown object by a person on a bicycle,
The victim was taken to a hospital with unknown injuries, Officer Frank Cali told the station.
Another man was attacked while sleeping about 30 minutes later.
San Diego police released a composite sketch of a man they believe is responsible for six attacks on homeless men this month. Two other men were attacked in similar incidents.
Investigators believe the earlier incidents and Friday's attacks are related. A man was taken into custody near the second attack and is being questioned by police, KSWB reported.
Officials are offering a $1,000 reward for information in the case.
A man was arrested in the attacks, but was later released from jail without being charged.