A 25-year-old man was suspected of attacking a kindergarten in China’s Guangdong province on Monday killing six people and injuring one, police said.

Media reported the attack in Lianjiang county was a stabbing. The suspect, with the surname Wu and from Lianjiang, had been detained, police said, adding they were investigating.

No other details were immediately available.

The incident was the top-trending discussion on the Weibo, social media platform, with 130 million views as of 12:20 pm local time.