By Laura Madden, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Thirty people were robbed at gunpoint while on a mountain hike at Pedra da Gávea in Tijuca forest Sunday morning. Gunshots were exchanged between the thieves and an off-duty policeman who happened to be nearby.
About thirty people, in separate small groups, went on an early-morning excursion to watch the sun rise on Sunday. At certain points along the trail, they were robbed at gunpoint by three hooded thieves.
The first robbery was at the top, where the thieves surprised the hikers when they shot bullets into the . . .