The police called and asked me to make a payment. Is it a scam?

It's very likely that this is a scam.

The police will never call and ask you to make a payment. Also, fraudsters can ‘spoof’ or fake the police phone number to make it look real when it appears on your phone.

We recommend calling the police on 101, the non-emergency phone number. You can then ask them if the call was genuine.