Ryanair pilots are seen on the picket line outside Dublin airport as a walkout across Europe grounds up to 400 flights.

Footage filmed today (August 10) shows workers standing alongside banners from the Irish Airline Pilot's Association as staff in Ireland, Belgium, the Netherlands and other nations in Europe carry out industrial action.

The budget airline has been beset by issues this summer, with staff shortages and industrial disputes leaving hundreds of passengers outraged.