A GRAN told of her horror as she was trapped in a tunnel in the sweltering heat after the Metro was hit by yet another power failure.
Marilyn Ward, of Washington, was travelling into Newcastle when the train caught the overhead power line this afternoon.
It is the second time this has happened in a week, and engineers are working to establish whether the hot weather caused both incidents.
The retired nurse said: “We had just left Gateshead station.
“As we approached the tunnel, there was a great big flash and the lights went out inside the train.
“I think we were all frightened in case another train was going to bang into us. That was my fear.
“Eventually, staff came onto the train and issued water because the heat inside that train was horrendous.
“We couldn’t open the doors and weren’t allowed to move.
“Then we were told that the fire brigade were going to come and rescue us, which is what happened.”
The incident caused widespread disruption, with services between Monument and Heworth expected to be suspended into the night.
The rest of the system has also been hit by severe delays.