Grammy Award-winning Tejano singer Emilio Navaira, known to his fans simply as Emilio, underwent emergency brain surgery after being critically injured in a bus crash yesterday morning in Houston.

The bus was carrying Navaira and his band when it hit traffic barrels on the Southwest Freeway on Easter morning. Navaira was taken by helicopter to Memorial Herman Hospital. Of the seven other members of Navaira's band, two were taken to Memorial Hermann, treated and released, and the other five were taken to Ben Taub Hospital. Two of the five are listed in critical condition.

At this point, police are unsure who was driving the bus or what caused the accident. Theories of the driver falling asleep, missing a turn on the ramp where the accident occurred, or being intoxicated are all possibilities, according to the police.

If you, or a loved one, have been injured in a bus accident, please contact an experienced personal injury lawyer in your area.