An energy firm has launched an inquiry into how the Talacre beach car park was left open at high tide.
Up to 25 vehicles were left submerged in seawater after high tide peaked on Sunday lunchtime – the privately owned car park is usually closed beforehand.
ENI, which runs the nearby gas terminal at Point of Ayr, controls access to the beach. In a statement on Tuesday, a spokeswoman said the company had given no permission or instruction to leave the gate open after it was locked on Saturday evening.
”We are currently investigating how the gate came to be unlocked by Sunday morning. Signage at the barrier warns to the risk of flooding at high tide.”
Flintshire County Council, which is also carrying out its own investigation, said there were extra gates in place at the site for additional security and to stop night time parking. The gates are only opened to allow cleaning teams to work on the beach.