Facebook suspicious activity message

Ajirno Posts 1 Registration date Sunday June 19, 2016 Status Member Last seen June 19, 2016 - Jun 19, 2016 at 09:11 PM
How can i get my Facebook back when they sent me a message like this {We noticed some suspicious activity on your account that needs to be reviewed. Until then, you won't be able to access things like your News Feed or messages. Learn More about why your account might be disabled} because i can`t login over two weeks now