Update: Xinhua says more than 150 people were injured.
A powerful blast ripped through a factory in Kunshan City of east China's Jiangsu Province on Saturday morning, killing at least 65 people and injuring more than 120 others, government sources said.
Xinhua News Agency says it occurred at 7:37 a.m. at a car polishing workshop of a metal products company. Officials are investigating the cause of the blast and working on rescue efforts and providing medical treatment.
Six medical experts from Shanghai are on their way to the explosion site.
Located about halfway between Shanghai to the east and Suzhou to the west, Kunshan city is the eastern gateway of Jiangsu province and was once known as "a town for fish and rice."