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'Moment Chicago train derailed' injuring over 30

A video purporting to show the moment a train derailed in Chicago, injuring over 30 people, has been posted online.

The clip shows two people talking next to escalators before the train overshoots the track and misses the bystanders by metres.

The cause of the derailment remains unclear but a Chicago Transit Authority official said "speed could be a factor."

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Cause of Chicago train derailment remains unclear

Investigators have said they are still to determine what caused a commuter train to jump from the track and mount a platform escalator in a spectacular derailment at Chicago's O'Hare International Airport.

The eight-car train derailed at 3:00am local time after failing to stop at the airport's underground station.

Chicago Fire Department Commissioner Jose Santiago said the operator was "walking and talking as we were investigating" the cause of the crash.

A total 32 people on board the train were injured, though no one suffered life-threatening injuries.

She was among the 32 injured who were taken to hospital after suffering minor leg injuries. It remains unclear whether the derailment was caused by mechanical or operator error.

The injured passengers were taken to four hospitals across the city.
The station at O'Hare International Airport, which is one of the busiest in the US, has been closed.

Chicago train 'ran through bumper at end of the track'

The National Transportation Safety Board (NTSB), which has launched an investigation into the derailment of a train at Chicago's O'Hare station, tweeted:

'Speed could be a factor' in Chicago train derailment

A Chicago Transit Authority (CTA) official has said "speed could be a factor" after a train derailed at the city's O'Hare station:

'32 people injured' after train derails at Chicago station

Around 32 people have been injured after a train derailed at Chicago's O'Hare station this morning, NBC Chicago reported.

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Near record low temperatures in Chicago

Temperatures on the East Coast of the US have plummeted, with Chicago hitting lows of -15 this morning. The previous record for the Windy City was -14 in 1988.

NBC affiliate NBC Chicago tweeted a picture of Lake Michigan that appeared to show steam covering the Great Lake.

Chicago resident Jim Lakely posted a city-view picture that appeared to show the city's frozen river:

The anticipated 'polar vortex' is set to blast much of the country, with NBC reporting that "every state except Hawaii" is expected to face freezing temperatures today.

Hunt for woman who took alligator on a Chicago train

Police are searching for a woman who took an alligator on a Chicago train before it was found abandoned at O'Hare International Airport.

The woman boarded the Chicago train around 2.17am on 1 November. Credit: Chicago Transit Authority

Security footage shows the unknown woman boarding a Chicago Transit Authority Blue Line train on 1 November at around 2.17am, carrying the small, sickly alligator under her arm.

Police are searching for the woman, who was the last person seen with the alligator before it was found at the airport. Credit: Chicago Transit Authority

The two-foot-long alligator was eventually captured after an airport maintenance worker found it under an escalator at Terminal 3.

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