Indonesian authorities are warning people to stay away from Mt . Lokon . in the province of North Sumatra after a landslide triggered by heavy rain has killed at least four people. A 2.5 kilometer exclusion zone has been set up around the volcano . A restless volcano in northern Indonesia erupted Friday , spewing clouds of ash as high as 2 kilometers into the sky , the country 's National Disaster Management Agency said . An eruption by Mt . Lokon in July prompted the evacuation of thousands of residents .
Indonesian authorities are warning people to stay away from Mt . Lokon . in the province of North Sumatra after a landslide triggered by heavy rain has killed at least four people. A 2.5 kilometer exclusion zone has been set up around the volcano . An eruption by Mt . Lokon in July prompted the evacuation of thousands of residents .