BUENOS AIRES, April 9 (RIA Novosti) - At least four people died and 25 others were injured after 40 vehicles collided in Argentina early on Wednesday, local officials said.

The incident occurred on a highway which links Buenos Aires and Rosario. Among the vehicles involved in the crash were 22 trucks and two buses. Four drivers died at the scene, and a bus and eight trucks were engulfed in flames.

Local officials said the accident was caused by a combination of high speeds and poor visibility caused by thick fog.