Two pilots have been arrested at Glasgow Airport for allegedly failing a breath test before boarding a flight bound for the US.

The United Airlines pilot, both men aged 45 and 61, have not been charged, but remain in police custody.

They are expected to appear before Paisley Sheriff Court on Tuesday.

Police Scotland confirmed officers were called to the airport at 7.35am, where the pilots were arrested just hours before boarding flight UA162.

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The flight to New York was expected to take off at around 9am, but was cancelled after the arrests.

All passengers were rerouted onto other flights.

A force spokesman said: "Police Scotland can confirm that two men, aged 61 and 45, have been arrested and remain in police custody pending a scheduled court appearance on Tuesday 6 August for alleged offences under the Railways and Transport Safety Act 2003 (Section 93)."

The pilot legislation concerned covers carrying out duties while under the influence of alcohol.

A Glasgow Airport spokesman said: "We are aware Police Scotland attended a United Airlines aircraft this morning.

"The flight was subsequently cancelled.

"All the passengers were routed on other airlines."