JOHANNESBURG (Reuters) - Police arrested dozens of people in South Africa's commercial capital Johannesburg on Monday after rioters looted shops, burned tyres and blocked road junctions - the second outbreak of urban rioting in a week.

HELL'S GATE NATIONAL PARK, Kenya (Reuters) - Flash floods killed six people at Kenya's Hell's Gate National Park and left one person missing after their tour group was swept away, the state-run wildlife authority said on Monday.