A pro-government Karen militia engaged a local rebel group in a shootout on Friday, in the most recent episode of unrest in Burma’s east.
The Karen National Union vice president told DVB that current fighting in northern and eastern Burma has damaged trust.
The Burmese army has continued operations to secure Karen State stretches of the Asian Highway, with the aid of local paramilitaries.
Three hundred people gathered in central Rangoon on Sunday to denounce the extrajudicial killing of Par Gyi.
Karen villagers are again in limbo on the Thai-Burmese border, having fled conflict in eastern Burma.