Two passenger trains collided head on in Switzerland today, injuring 44 people, the Tribune de Geneve reports. It's unclear if anyone was killed.

The accident happened near the exit of the train station in Granges-près-Marnand, in western Switzerland. One train was leaving and the other arriving, one passenger said. Rail traffic in the area has been suspended.

Another witness told 24 Heures, "there are injuries, maybe even deaths given the violence of the collision."

According to Sky News, four people suffered serious injuries:

Update - Local media: 44 injured, four seriously, as two trains collide in Switzerland — Sky News Newsdesk (@SkyNewsBreak) July 29, 2013

Here's a photo of the aftermath:

#BREAKING : Two trains collided near the station of #Grandes-#Marnand #Switzerland pic.twitter.com/af0z8GI9fR

— Geoffrey Hulsens (@GHulsens) July 29, 2013

More photos from the scene, from Reuters:

And video:

Here's a map of where Granges-près-Marnard is located:

We'll continue to update this post as we learn more.