By: TMJ4 Web Staff , Ubah Ali

BURLINGTON, Wis. — A hot air balloon crashed and hit a train in the City of Burlington on Wednesday, the Burlington Police Department said.

It happened after around 8 p.m. near Calumet and Jefferson.

Officials with the Burlington Police Department said three people have life-threatening injuries following the incident.

Two of the victims were flown via Flight for Life to Froedtert Hospital and one was taken there via ground transport.

Now, the City of Burlington Police Department is working with members of The National Traffic Safety Board, Federal Aviation Administration, Canadian National, and the Wisconsin State Patrol to determine what caused the crash.

Witness Brian Oneill saw the crash happen. He told TMJ4 News that the hot air balloon struck a building, bounced off of it, and was hit by the moving train.

Oneill said several bystanders rushed over to help the victims.

The Burlington Police Department said other witnesses reported seeing the hot air balloon in distress prior to the crash.

If you saw the incident, or if you have any information as to what happened, contact the Burlington Police Department’s detective bureau at 262-342-1104