Thousands of passengers have canceled or changed their flights after a massive fire at a power station near Hitro.

Maximum 300,000 customers were due to use Europe’s largest airport on Friday, but 1,351 flights were disrupted by fire.

Although it is initially said that it will be closed all day, Hitro later announced that some long distance flights will begin during the night.

The fire in Hayes erupted the airport five miles north of the airport, and about 67,000 households declined.

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Police said about 150 residents were forced to leave their homes and a 200 -meter cord was placed around the post.

Here Independent A look at all we know about the fire on its effects.

What caused the fire?

A transformer was set on fire in the sub -post, but it is still unclear what caused it.

One of the surrounding residents described his room shaking and hearing loud voices while the station burned.

“The fire consists of a transformer containing 25,000 liters of its cooling oil,” said Jonathan Smith, deputy director of the London Fire Commissioner.

“This created a fundamental danger due to its high voltage voltage equipment and the nature of oil fires.”

Metropolitan police said they were not suspicious of the incident, but the question continued.

The London Fire Brigade said its investigation will focus on electrical distribution equipment.

What is the Economic Impact?

“In terms of endangered, in the conservative end, we estimate the possible loss of tourism revenue of £ 4.8m a day,” the economist Stephen Rooney said.

“We can estimate this loss based on the volume of ordinary inputs that come to England through Hitro and the average daily cost of those traveling to England.”

He said his estimates do not include possible loss of revenue for airport and airline employees, losing revenue for retail airport retail and services such as airport taxis.

Insurance payments, lost money for affected passengers and other costs of airlines involved will cause more damage.

How many passengers were affected?

According to Analytics Cirium, up to 291,000 passengers flew from Hitro Airport on Friday, which was scheduled for 1.330 flights.

There were a maximum of 665 planned departments, more than 145,094 seats and 669 flights to reach 145.836 seats.

“The event will have a huge impact on customers in the coming days,” said British Airways chief executive.

“To give you an idea of ​​the scale of disruption we have to minimize,” he said.

Easyjet said the larger aircraft has put on key routes on Fridays and weekends to provide additional seats to help customers affected by Hitro closure.

Ryanair also made extra flights from Dublin to London “to save passengers affected by Hitro’s closure today”.

Why should the airport be closed?

“The airport has three posts, each with a backup transformer,” said Thomas Waldabi, chief executive of Hitro.

The fire occurred in a post that the backing transformer also failed and destroyed power.

Mr Voldabi said the airport could be affected by two indirect posts, but they had to “rebuild supply”.

“To do this we have to close the systems – this is a safety method, we will not get it,” he said.

“Two posts can run the airport, but we have to re -engineer the power supply structure for all terminals, and that’s what we did throughout the day, and then we have to restart all systems, and that’s what we have done, and now we see operations come back,” he said.