There was pandemonium on Tuesday on Ishawo Road, Ikorodu area of Lagos State, after seven operatives of the Department of State Services were killed during an encounter with suspected pipeline vandals.
It was learnt from both residents and sources that the incident happened around 8pm.
It is the second time in two weeks that the vandals would unleash terror on security operatives.
On August 30, four policemen from the Special Anti-Robbery Squad and Owutu Police Division, were attacked.
Three of the policemen died, while one was critically injured.