Hundreds of airport workers are to be balloted on industrial action in a row over pensions.

Unite said around 480 of its members at Glasgow and Aberdeen airports will vote in the coming weeks on whether or not to launch a campaign of industrial action and disruption.

The union said its members had rejected proposed changes to the pension schemes operated by the airports' owner, AGS.

Unite regional officer Pat McIlvogue said: "Unite has continually tried to negotiate a remedy with AGS over the proposed pensions schemes changes that avoids the need for industrial action and disruption at the two airports.

"Unite put forward a proposal, which would save the company £3.5m a year, but despite our repeated attempts to reach an amicable solution our efforts have been met with intransigence.

"Unite has no option but to ballot members for industrial action to protect pension provisions that are deferred wages and to strongly oppose AGS's proposed imposition."

The ballot will close on July 13.

An AGS spokesman said: "Discussions have been ongoing between the company and union representatives regarding changes to the existing final salary (defined benefit) pension scheme since October 2015.

"We remain committed to holding further discussions with union representatives in order to reach a solution that is acceptable to all parties."

It comes after Glasgow airport won an 'Best in Europe' award at a ceremony in Greece on Tuesday.

Glasgow won the Best Airport with 5-10 million Passengers award from the professional association of airport operators, Airport Council International Europe (ACI Europe).

The airport beat Naples and Lyon to take the title at a ceremony hosted by Athens International Airport.

Glasgow is also the current holder of the Scottish Airport of the Year, UK Airport of the Year and Airport Operators Association Airport of the Year titles.