Several of North Korea’s external radio services and its powerful jamming operation that blocks foreign broadcasts are having trouble staying on the air.

Voice of Korea, the country’s international radio outlet, was missing from several of its scheduled broadcasts on Thursday, according to monitoring from sites in South Korea, Japan and the U.S.

Two days earlier its English-language broadcast to North America, scheduled from 1500-1554 GMT (1000-1054 Eastern Time) abruptly cut off around 20 minutes into the broadcast and didn’t return. On Thursday the French program left the air five minutes early while in the middle of a song.

All these events are highly More >