article_snippet.sent: Firefighters battle to extinguish blaze a Chinese chemical plant  that produces a toxic chemical .
article_snippet.sent: Flames rise from a Chinese chemical plant  that produces a toxic chemical after the huge explosion on Monday night .
article_snippet.sent: There have been several protests against the chemical plants in China in recent years.
article_snippet.sent: Firefighters examine the damage done by blaze at a Chinese chemical plant  that produces a toxic chemical .