Five people were critically injured after two trains collided head on north of the Danish capital Copenhagen on Thursday, emergency services said.
Another 13 people were injured when the trains collided between the towns of Hillerod and Kagerup, around 40km north of the capital.
Images showed two yellow and grey trains facing each other with visible damage on a tree-lined stretch of track, with rescue services describing "chaotic" scenes inside the carriages.
"The two trains collided head-on, causing large damage to them and sending broken glass flying everywhere," fire and rescue service leader Christoffer Buhl Martekilde told reporters.
Danish police said they had declined the Swedish offer to assist as local resources were sufficient.
"There are injuries among the passengers. Everyone is out of the trains, so no one is trapped... Large resources have been dispatched to the scene," a police spokesperson said earlier today.
Police say it is too early to say what had caused the crash on the Gribskov train line, adding there would be an extensive investigation.
A total of 37 people are believed to have been on board the two trains at the time of the crash, which occurred shortly before 6:30am local time (5:30 BST).
While health services attended to the injured, those who were not physically hurt were also offered assistance, said transport group Movia, parent company of rail operator Lokaltog.
The injured were transported away from the scene of the accident in ambulances and helicopters, the fire department said on X.
Around 15 vehicles and 50 firefighters were on the scene, with further assistance from neighbouring emergency services and Emergency Services RailDenmark.
“Passengers who are not physically injured have been gathered at the collection point.”
After a press briefing on Thursday morning, the fire service said its work at the scene was completed and further proceedings were being handled by the police.
Police said technical investigations are underway at the scene which will “continue over a longer period of time”.
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