during the liquidation process.

It confirmed there were 420 employees at the refinery but would not comment further.

Teneo has been appointed as administrator for Prax Group's parent company, State Oil, which employs 182 staff and owns 190 petrol stations in the UK, along with 325 others in Europe.

Clare Boardman, from Teneo, said administrators would be "considering all options for the group, including the prospect of a sale for the group's upstream business and retail operations in the UK and Europe, all of which remain outside of insolvency".

According to the government, Lindsey is the smallest of the UK's oil refineries producing fuel. It is located next to the Phillips 66 Humber refinery, which is the dominant fuel supplier in the region and continues to operate at profit.