Others took shelter in caves or bushes , or climbed trees . NEW : At least 80 people killed in Utoya Island shooting . NEW : A police spokesman says the death toll may rise on the island . The Associated Press contributed to this report. The man in custody is a blond , 32-year-old Norwegian .
NEW : At least 80 people killed in Utoya Island shooting . NEW : A police spokesman says the death toll may rise on the island . The Associated Press contributed to this report. The man in custody is a blond , 32-year-old Norwegian .