The East African country’s leading opposition party said that its presidential candidate in the last election and its chairman were among dozens detained before a protest called to draw attention to the killing and abduction of government critics.

The protest was disrupted by a police crackdown targeting party officials, members, supporters, and even journalists covering the event.

NAIROBI (Reuters) -Tanzanian police arrested three opposition leaders again on Monday, their party and police said, to stop anti-government protests in the commercial capital Dar es Salaam. The main opposition party CHADEMA's chairman Freeman Mbowe was detained on the street,