4/22/16 BBC News
Relatives of workers inside a petrochemical plant that exploded in Mexico are demanding answers from managers over what happened.
The blast hit the facility in the southern city of Coatzacoalcos in Veracruz state on Wednesday. The cause of the explosion is unclear.
The death toll reached 24 on Thursday, with another 13 still seriously hurt.
Dozens of family members gathered near the gates of the plant to demand talks with plant bosses.
Some tried to force their way into the compound, the Associated Press news agency reported.
Mexico’s state oil company Pemex raised the death toll late on Wednesday, and said 19 people remained in hospital.