Someone Hacked My Facebook Account and Compromised My Linked Gmail Address

My Facebook account with the username or ID 249531951 appears to have been hacked for about the last two months. During this period I noticed that my linked Gmail account, shaboy***@gmail.com, is also at risk and I am worried that it may be misused together with my Facebook account. Until now I have not received any support or taken any recovery steps through Facebook, so I am currently unable to secure my accounts and do not know what actions may have been taken by the person who accessed them. I request that my Facebook account be urgently checked, all unauthorized access and changes be removed, my Gmail address be unlinked if necessary, and my access to the account be safely restored or the account deleted if recovery is not possible.