LANA FROM MOSTAR WITNESS OF THE ATTACK IN BERLIN: "People lying on the ground, not moving, blood! The truck was going 80 km/h, I can't see my mom!" (VIDEO)

- I went to call for ambulance and my fiance arrives, drags us to the side and says that ambulance is on the way, that we have to run, we don't know if anything else is coming - said Lana