Zimbabwean opposition leader Morgan Tsvangirai and 11 other members of his Movement for Democratic Change (MDC) have been arrested and are being held at a police station, the MDC said on Saturday. The party said in a statement he was arrested at a road block with his campaign team. Tsvangirai, who has been detained several times over the past week, is contesting a run-off vote against President Robert Mugabe on June 27, according to a report of Reuters.