Clan leaders account got hacked, is there anything we can do?

The leader of the clan messaged me to tell me his account got hacked and when I go on to CoC sure enough his account is conversing with his second account about giving it back (obviously not going to happen).

He messaged me again to tell me they’d taken it to Snapchat to continue talking where he says the hacker told him he’d be keeping the account (unless my friend would pay £100) but would give leader to one of the co-leaders in a couple of minutes, he then blocked my friend and has been radio silent on Snapchat and CoC since.

My question is, is there anything we can do about this? There’s no option to report the account outside of his messages which we have done, we’re worried mainly about the clan though, it’s a 5 year old level 17 clan that is at risk right now at a very bad time as well being in the middle of CWL. Thank you for any help.