Three protesters were arrested today as scuffles broke out at a demo at the controversial Corrib gas project refinery site in Co Mayo.
A large number of gardaí removed campaigners who were sitting on the roadway in an attempt to block trucks travelling to the construction site at Bellanaboy.
About 200 supporters of the Shell to Sea campaign briefly delayed workers entering the site shortly before 7am. Gardai later removed a number of demonstrators who had been standing in front of vehicles.
Opponents of the project were staging a demonstration to mark the 12th anniversary of the death of Nigerian writer Ken Saro Wiwa, who protested against Shell operations in his home country.
It is also almost a year since clashes broke out between protesters and gardaí at the site on November 10th last year.
A protest is also being held at Shell's Dublin headquarters on Lower Leeson Street at noon today.
PA