Diversity's Black Lives Matter performance on Britain's Got Talent has received more than 15,000 complaints, communications regulator Ofcom has said.
The dance troupe performed a routine inspired by the killing of unarmed black man George Floyd.
Led by Ashley Banjo, a temporary judge this series following Simon Cowell's departure due to a broken back, the performance saw a white police officer kneel on him, echoing the killing of George Floyd.
The first half of Diversity's performance was set to spoken word poem The Great Realisation by Tomfoolery, which reflects on the coronavirus lockdown.
The performance attracted praise and criticism from members of the public, with the number of complaints to the broadcasting watchdog rising since the episode was broadcast.
An Ofcom spokeswoman said: “We are assessing this content against our broadcasting rules, but are yet to decide whether or not to investigate.”
Ofcom did not give any details about the nature of the complaints.
Following the routine, the group won praise from many for the powerful performance, with one viewer describing it as "art".
Responding to the backlash, Banjo said in an Instagram post: “In the present moment though there is still so much to say ... But I will just let this performance say it for me.
"I'm so grateful and overwhelmed by all of the love and support but also by the amount of conversation this performance has thrown up 2020 has been such a historical year. One day we will look back and realise it was the start of real change..." he added.