Holidaymakers heading to Portugal over Easter face the threat of delays entering the country due to strike action.
A walkout by Portuguese immigration officials has been timed to coincide with the Easter holiday weekend.
The five days of industrial action from April 6 “could cause disturbances at airports,” Portuguese news agency Lusa reported.
The Foreign Office issued an updated travel advisory for Portugal saying: “Between 6-10 April there may be travel disruption due to industrial action by Portuguese immigration officers.
“If you are travelling over this period, allow additional time to clear border control when entering and exiting Portugal.
“Check for announcements and follow the guidance provided by your airline or tour operator.”
A restructuring of Portugal’s immigration and border service (SEF) has been blamed for the industrial unrest. Around 900 inspectors and 700 non-police personnel work at SEF.
Separate strikes in France supported by the air traffic service since March 14 in protest against pension reforms are set to continue until Easter Saturday leading to delays to flights operating through French airspace.
More: Updated: Latest Border Force strike confirmed for April 28