Policemen and their family members fled their Division A barrack residence in Akure following attempts by commercial motorcyclists popularly known as Okada riders to attack the place.
The riders broke into the gate and threw stones into the building while policemen and their families fled through the back gate.
Some policemen scaled the fence and ran away while others struggled to take their vehicles away from the barracks.
Bonfires were set in front of the A Division as the Okada riders demanded to see the policeman who shot one of their colleague dead.
It was gathered that a driver had knocked down and killed one Okada rider and a cocoa merchant at Arakale
Both men died on the spot, sparking a protest by Okada riders.