<span style="color: #222222;">In China, police have detained six more suspects linked to a chemical plant blast in which 78 people were killed and hundreds injured. </span><br />'' <br />'' <span style="color: #222222;">Local authorities said that the explosion at Yancheng city in Jiangsu province last month was one of the worst industrial accidents in the country in recent years and led to the closure of the plant. </span><br />'' <br />'' <span style="color: #222222;">Yancheng government yesterday said that six employees of the Jiangsu Tianjiayi Chemical company, whose plant was involved in the blast, have major responsibilities in the incident. </span><br />'' <br />'' <span style="color: #222222;">It said that "criminal coercive measures" have been taken against them, a vague term indicating detention, arrest or being put under temporary house arrest until police complete investigations.</span><br />'' <br />'' <span style="color: #222222;">Three others had also earlier been detained in connection with the blast occurred on March 21st.</span><br />''