The United Kingdom says it is following the probe of the activities of the outlawed Special Anti-Robbery Squad, SARS.
The UK said it was working with stakeholders and told judicial panels set up by state governments to also look into incidents associated with End SARS protests.
The excesses of police opperatives led to marches and rallies in many states.
But peaceful demonstrations were disrupted by violence.
Matters degenerated after soldiers fired at unarmed protesters in Lagos.
The incident occured on October 20, at the Lekki Toll Gate.
On Monday, the British government confirmed its interest in ongoing investigations.
The UK, however, expressed concern over civil disorder witnessed across the nation.
A statement by the UK High Commission in Nigeria urged security operatives to act within the confines of the law.