My aact got hacked by an unknown person via a link,and my password and mail got changed...

My aact got hacked by an unknown person via a link,and my password and mail got changed by the hackers meaning I Dont HV access to theacct any more and I CNT prove it belongs to me.I want Facebook to either help me delete the acct,or help me retrieve it by asking me some few questions like the year I opened the acct,name * friends name on the list,or identity their pics with the right name e.t.cause my hacker us impersonating me and hacking friends acct via mine.and this has to stop cause my name is @ risk here.(acct name:fatimah Pistis Umar,acct password before it got hacked:aboderin,acct mail before it got hacked:*****@***.com(even the mail has been hacked and I no longer HV access to it),phone Num attached to the acct:***********.)pls let something be done and I perceive my hackers are from Kenya.my pictures are being used for illegal activities, pls my integrity is at stake here.reporting from Nigeria.