it happened yesterday at a house in san francisco s diamond heights neighborhood. a second firefighter is in intensive care at san francisco general hospital. elizabeth wenger has the latest. good morning. reporter: good morning. that s right. inside this hospital anthony valerio is still fighting for his life. he still remains in critical condition at this hour. our news crews were there as this fire broke out yesterday morning around 10:45. it was in san francisco s diamond heights neighborhood. it only took a few seconds for this to quickly become an inferno. the flames actually moved so fast, the three firefighters were hurt in what is being called a flashover, heat so intense that it burns at 1100 degrees. it moved too quickly to save the life of lieutenant vincent perez, a 21-year veteran of san francisco fire. a former marine and a previous alameda county sheriff s deputy. with a final salute, his fellow firefighters said good-bye to him as his body was removed from
kohara. frank is off this afternoon. at this hour, flags across san francisco are at half- staff, a tribute to a fallen firefighter. the veteran firefighter lost his life fighting a house fire in the cities diamond heights neighborhood. elizabeth wenger is at san francisco general where a second firefighter s condition is described as touch and go. elizabeth. reporter: good afternoon, sydnie. that s right. and just a short time ago, we actually spoke with firefighters union president who has been keeping vigil by valerio s bedside. he says, unfortunately, that his condition is getting worse. now, official word from the hospital is that he still remains in critical condition. these firefighters are like family so they are really trying to support each other through this. reporter: all morning long, san francisco firefighters visited the hospital bed side of their injured comrade. we re all, you know, hoping for a miracle, hoping out hope he s in good shape. that s been