A gas pipeline blast Sunday in east China's Wenzhou City, Zhejiang Province, injured three people, local authorities said. The blast happened at around 4:30 p.m. at a construction site in Lucheng District. One person injured was an excavator driver, another two injured were in a taxi near the site when the blast took place. Fire has been put out as of 5:30 p.m. Cause of the explosion is under investigation.