Two trains collided in Denmark on Thursday, injuring 17 people, five of them critically, authorities said. The incident happened near ​Hillerod, north ​of ‌Copenhagen, and police received alerts about the crash at about 6:30 a.m. (0430 GMT). "We can't provide any details for now about the cause of the accident," police official Morten Kaare Pedersen told reporters. What do we know about the commuter train crash in Denmark? A police statement called the crash a "serious accident" and said that police and emergency services were mobilized in "large numbers."  "It is two local trains that ‌have collided head-on," ‌a Greater Copenhagen fire department spokesperson said. Police and rescue teams are currently in attendance at the scene of the crash Image: Steven Knap/Ritzau Scanpix/REUTERS "There ​are injuries among the passengers," the spokesperson said.…