Sean 'Diddy' Combs returns key to New York City

Mayor Eric Adams requested the return of the key to the city from Combs after allegations of attacking ex-girlfriend Cassie Ventura surfaced. The mayor expressed his deep disturbance over the incident in a CNN video. Additional allegations of sexual abuse and sex trafficking against Combs have emerged. Combs had received the key to the city at a ceremony the previous year.

What was the city's response to Mayor Eric Adams' requests?

Who was attacked by Combs according to the text?