The previous death toll stood at 73.
READ MORE: At Least 20 Dead, Dozens Hurt as Ruptured Pipeline Explodes in Central Mexico
The deadly explosion at Mexico’s major Tuxpan-Tula pipeline was caused by the pipeline rupture by suspected fuel thieves, the Pemex energy company said.
Mexico’s President Andres Manuel Lopez Obrador pledged on Saturday to intensify his fight against fuel theft. The government's strategy includes using tanker trucks to deliver fuel.