Mr. Lawan did not condemn the army crackdown in Lagos that triggered the latest wave of violence, which has since spread across the country.
The works minister purportedly stumbled on the gadget during an on-the-spot assessment of the military attack venue.
Senators are divided over whether or not security chiefs should be invited to explain their role in the massacre Tuesday night.
The former Lagos governor has come under severe backlash for not doing enough to prevent the military assault on the commercial hub.
Mr. Buhari convened a meeting of security chiefs and former Nigerian leaders at the State House on Friday.
Abdulrahman Abdulrazaq imposed the curfew in a broadcast Friday night.
Police commissioner John Abang has been unable to reach Inspector-General Mohammed Adamu to secure reinforcements.
The former Nigerian minister advises #EndSARS campaigners to raise the alarm when trailed by state agents.
Customers who could not use their tickets during the period of the curfew can modify such tickets at no extra cost.
Her comments debunk spreading denial that no one was killed in the military violence in Lagos’ affluent Lekki suburb.
