Police say a fast-moving tram slammed into another that was waiting at a stop in Rotterdam and 39 passengers were injured, according to AP via PR-Inside.com.

Spokeswoman Tinet de Jonge says police detained the driver of the moving tram for questioning as they investigate the crash Wednesday near a bridge in the city`s residential west side. She says one tram hit the other hard from behind «for unknown reasons.

Two city hospitals are treating the 39 people hurt including 10 with serious injuries including neck injuries and broken bones. Other passengers escaped with scrapes and bruises.