Fire, flames

An apartment fire that injured at least two people in Chula Vista, CA may have been started by a man making explosives, according to authorities.  The fire began in a second-floor unit just after 2 p.m.  on Monday at the Seawind Apartments on 1067 Fourth Ave.

A cell-phone video shows a fireball bursting from the second-floor unit.  Witnesses said they heard three explosions. When fire crews arrived on scene to find smoke pouring from the window.  Firefighters extinguished the blaze within 10 minutes and evacuated the building. Two people were treated for burns.

Devices found at the scene suggest explosives may have been involved in the incident, the police told NBC 7. Bomb squad units were called to the scene. One man was taken into custody.

Residents from 24 units have been displaced by the fire. Not permitted to return to their apartments, 16 of them stayed at hotel rooms secured by the local Red Cross, the  rest are staying with family and friends.