Three workmen at a Limón refinery were injured early Tuesday when a volatile petroleum product escaped and was ignited.
Two men are hospitalized in serious condition.
The Cuerpo de Bomberos identified them as Fabio Castillo Fernández, 55, with burns over 80 percent of his body, and Álvaro Wheathy Dennis, 31, with burns over 50 percent of his body. A third man, Franklin Diaz Rodríguez, suffered first degree burns of the right arm and
was treated at the Hospital Tony Facio in Limón. The two men most badly burned were taken to San José to Hospital San Juan de Dios.
The fire fighters said the call came in from the Refinadora Costarricense de Petróleo S.A. plant at 2:04 a.m.
The Cuerpo de Bomberos reported that it appears that a seal on a valve failed when the men were make a transfer of the volatile liquid.
Some 50 square meters of the workplace was consumed by the subsequent flames, said firemen.