source: Daily Post (Nigeria)
actor1: Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Police Forces of Nigeria (2015-) Special Anti-Robbery Squad
location: Maiduguri
notes: On 1 June 2019, presumed Boko Haram (JAS) attacked a mosque in the outskirts of Maiduguri (Maiduguri, Borno). The militants engaged the Federal Special Anti-Robbery squad in battle. The security forces repelled the attack.