Islamic State's media network published on Monday a video message purporting to come from its leader Abu Bakr al-Baghdadi in what would be his first appearance since declaring the jihadists' now-defunct "caliphate" five years ago.
In the 18-minute video from the Al Furqan network, a bearded man with Baghdadi's appearance says the recent Easter bombings in Sri Lanka were IS's response to losses in its last territorial stronghold of Baghouz in Syria.
The group will seek revenge for militants jailed and killed, he says.
The video would be the first from Baghdadi since he was filmed in the Iraqi city