Beijing : A man was arrested for allegedly setting ablaze a two-storey house in eastern China on Sunday, killing 22 people and injuring three, state media said.
The suspect, named Jiang, is in police custody, the official Xinhua news agency reported.
The fire broke out at around 4:30 am (2030 GMT) in Yushan Town north-west of Shanghai in Jiangsu province, before it was extinguished an hour later.
Local police gave no further information on the suspect, Xinhua said.
The three injured do not face life-threatening injuries, the agency added.