It follows claims on social media that the law was passed to attract support for one of the main presidential candidates.

In a statement, the Lagos House of Assembly said the claims should be "discarded".

"Lagos operates the criminal code. This streamlines the state to establishment of customary courts, not Sharia," said a statement in the assembly's Twitter account.

https://twitter.com/lshaofficial/status/1547338675930992643

Twelve Nigerian states in the Muslim-majority north practise Islamic law. The legal system is supposed to apply only to Muslims.