Photograph: Alekson LacerdaA Brazilian delivery worker had brain surgery after he was attacked and robbed in Dublin by a large group that included teenagers. They were recording, laughing,” Mr Oliveira said. I felt a lot of pain, all over my body.”He was transferred to the city’s Beaumont Hospital on Tuesday for brain surgery. Mr Oliveira had bought a new bike for €1,300 just a few days before the assault. Wellwishers have donated thousands of euro to a fundraiser for Mr Oliveira.