Workers at seven of Britain's regional passport offices are going on strike to protest over pay and cutbacks.
The stoppage is to last three days and it's timing at the busiest time of year is intended to disrupt travel plans and may delay the processing of up to 60,000 passports.
'Express' fast track passports usually processed in one day for an extra fee are not being processed during the strike.
As well as the regional offices, the Public and Commercial Services Union said the strike by almost 3,000 staff will affect 68 interview offices.
The protest is over a dispute with a 2.5% pay deal, which has not been awarded to all staff.
The seven passport offices affected by the strike are London, Liverpool, Belfast, Glasgow, Peterborough, Newport and Durham.
The Glasgow office is facing closure and long serving staff are not being awarded the pay rise. More information can be obtained by contacting the passport advice line on 0870 521 0410.
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