Police arrested 3 people on suspicion of drug trafficking at the Sziget Festival, and 7 for possession and substance abuse, the official police.hu website said. Police have seized 150 pills, 156g dust, 50g crystal and other substances, the statement said. Police have also arrested seven people for vandalism and four for theft. They catered for medical assistance to 10 people and recovered two vagrant children. During the festival held between August 7-12, authorities were monitoring road and water traffic, as well as taxis in the area. Besides Hungarian policemen and security personnel, two Dutch uniformed officers also patrolled the festivals, according to a statement.