TWO Johannesburg men were arrested on Wednesday afternoon after they were allegedly found in possession of 50 handgrenades, police said. Superintendent Norman Ponnusamy said the grenades were found in Lenasia, south of Johannesburg, during a police undercover operation. He said details about the operation could not be divulged as more arrests were expected. A police bullet-proof vest and a police blue lamp were also recovered. – Sapa