At least 22 people were killed after a leaking pipeline caught fire and exploded…in…Qingdao…local authorities said…The accident happened around 10:30 a.m. in Huangdao District when workers were repairing the petroleum pipeline, which began leaking oil at around 3 a.m...Oil flow through the pipeline was shut down at about 3:15 a.m.. The fire has been put out, and barricades have been set up to stop the oil from entering the sea, according to…the official microblog of the Qingdao municipal environmental protection bureau on Sina Weibo…The 176-km pipeline, which links oil depots in Huangdao to Weifang City…is owned by Sinopec…An oil belt with a length of two to three meters could be seen in waters around the explosion spot...No new oil leakage from the pipeline had been found, according to a Xinhua reporter…Environmental monitoring showed that the concentration of toxic materials in the air is under the national standard…