The tragedy took place in Calabar, Nigeria, as around 80 passionate Manchester United supporters packed into a viewing centre showing the quarter-final clash against the Belgian side.
One witness said at least 30 people were killed when the electric cable fell on the crowd, killing those it touched.
A survivor told local television: “I was sitting at the front seats when I saw the reflection from the transformer. I was the first person to run outside.
Dozens of Manchester United fans are feared dead following an incident in Nigeria
Everybody was running to go out from the door
“As they were running, everybody was jam-packing themselves. Because the high tension cable fall on top, it contacted everybody there.”
State governor Ben Ayade said the tragedy marked a “dark chapter” in Nigerian history
The fans had been watching the match at a viewing centre in Nigeria
“At this point in time, it is sad to know that the victims lost their lives at a viewing centre where they usually converge, at their leisure time to watch their matches.”
Earlier this morning Manchester United posted a Tweet expressing their condolences to those lost in the incident.
Survivors said as many as 30 fans had been killed
Other fans also expressed their shock and sadness.
Manchester United won last night’s Europa League match against Anderlecht 2-1
Manchester United won last night’s fixture 2-1, scoring a late winner to progress to the semi-finals of the Europa League. They will face Celta Vigo of Spain next month. (The Expres, UK)