A 72-year-old man committed suicide in a nursing home after killing three other elderly people in Gaozhou City in south China's Guangdong Province Thursday morning, the local government announced.
According to the statement, the man quarrelled with people over minor issues in a nursing home in Genzi Township and attacked three elderly people with bricks, including those he had argued with and people who tried to stop them.
The old man hanged himself afterwards.
The case is under police investigation.