A cement-laden truck lost control descending Gaimukh Ghat in Thane, crashing into 11-12 vehicles traveling in the wrong direction. Four individuals sustained serious injuries and were hospitalized, with one passenger suffering significant facial and spinal damage. The accident caused a major traffic jam on Ghodbunder Road and an oil spill, which authorities managed. The truck driver fled the scene and is being sought by police. The road was cleared and reopened after several hours.