actor1: Rioters (Mauritania)
actor2: Police Forces of Mauritania (2009-2019)
notes: Mauritanian police have arrested 56 people, including 13 foreigners, in Nouakchott during clashes over a census between the security forces and young blacks, the interior ministry said Friday.
target_text: actor1: Rioters (Mauritania), actor2: Police Forces of Mauritania (2009-2019)