Screencap: NHK

At least 15 people were killed and 45 more were wounded on Tuesday after a man with a knife attacked a home for the disabled in Sagamihara, Japan, NHK reports.

According to the Japanese broadcaster, police say a 26-year-old man who worked for the facility located southwest of Tokyo is in custody and has confessed to the crime. From BNO:

The attack happened at about 2:30 a.m. local time on Tuesday and is believed to have been carried out by a lone knifeman, though specific details about the circumstances were not immediately available. The man later went to a police station and admitted to carrying out the murders.

Authorities have not announced a possible motive for the attack.