Facebook deactivated my account

Hello,



I was chating on my facebook account,all of the sudden I saw "your time out,please login" then I tried to login again,unfortunately,I coudnt login,I was told my account is temporary deactivated,then I tried activate it but I couldn't recognised the people in the pictures showing to me for security,.please can someone help me on what to do,I seriously need the account urgently,this is my mail ***@*** help me.