They six have been summoned in relation to protests they conducted against the dumping of garbage in Karadiyana.
Last evening President Maithiripala Sirisena issued a gazette notification listing garbage disposal an essential service.
As per the gazette notification anyone hampering the collection and disposal or garbage can be arrested without a warrant.
The Kesbewa Magistrate Court on Tuesday (18) made an order allowing 350 metric tons of garbage from Colombo to be dumped in Karadiyana. (Daily News)