IRISH police said they had made 34 arrests for rioting in Dublin overnight and that more protests could follow after the stabbing of five people including three young children triggered violence rarely seen before in the capital. Police guarded looted stores and firefighters cooled down smouldering vehicles in the heart of Dublin's city centre early on Friday after hours of riots which Police Commissioner Drew Harris said he expected to lead to many more arrests. "Those involved brought shame on Dublin, brought shame on Ireland and brought shame on their families and themselves," Irish Prime Minister Leo Varadkar told a news conference.…