Amtrak train evacuated after getting stuck in Baltimore tunnel with no AC

Passengers stuck on Amtrak train with no air conditioning
Passengers were let off of an An Amtrak train that travels through the Northeast between Washington, D.C. and Boston after being stuck on it for over an hour without air conditioning.
BALTIMORE, Md. - Amtrak passengers on Northeast Regional Train 94 were stuck for over an hour on a train without air conditioning or power Monday afternoon.
What we know:
Train 94 was headed north towards Wilmington, Delaware from Baltimore Penn Station when it got stuck in a tunnel around 3:40 p.m., FOX 5 DC has learned.
While stuck in the tunnel, customers were without air conditioning or electricity for over an hour.

Photo via Laura Evans.
A rescue locomotive was dispatched to the train to bring passengers back to Baltimore.
At 4:47 p.m., the train emerged from the tunnel and passengers were able to disembark at 4:52 p.m.
Amtrak told passengers that Train 176 would be held in Baltimore to accommodate passengers on Train 94.
Amtrak warned riders of delays along the Northeast Corridor due to temperature-related speed restrictions. The East Coast is currently experiencing a heat wave, with temperatures in the D.C. area reaching the high 90s and low 100s.
The Source: Information in this story comes from Amtrak as well as Laura Evans, a passenger on the train and former FOX 5 DC employee.