By Newsbreak Producer, Tashlan Naidoo - Bus operators affiliated to the National Union of Metalworkers of South Africa (NUMSA) have threatened to embark on a strike ahead of the Easter long weekend. The union says the employer's refusal to negotiate health insurance benefits has triggered the action. NUMSA spokesperson Phakamile Hlubi-Majola says should a solution not be found, around 20-thousand workers could go on strike, severely affecting bus services across the country...