The source added that the suspect, who was armed with a knife, got himself drunk before he picked a fight with the son of the deceased woman, named Quadri.
Quadri reportedly invited his mother and the woman was stabbed to death.
The Lagos State Police Public Relaions Officer, CSP Chike Oti, confirmed the incident to Punch.
He said, “A naval rating with no 815/ 448, Yusuf Owolabi, aged 24, son of the factional baale of Egan and one other at large, went to Egan community and used a knife to stab one Tohbat Badiru, aged 55 years, in her back.
“She bled to death on her way to the general hospital. The suspect has been arrested and detained.”