Zimbabwe’s labour body on Thursday called for fresh elections to choose the country’s next leader, citing “lack of progress” in the 15-month old coalition government between President Robert Mugabe and Prime Minister Morgan Tsvangirai. The Zimbabwe Congress of Trade Unions (ZCTU) that sired Tsvangirai’s MDC party said the government of national unity (GNU) has since inception in February last year been embroiled in disputes which are stalling progress.