The glitch appears to occur when one user visits another person's profile, triggering an unsolicited friend request to be sent from the visitor to the profile owner.

Here's a quick guide on how you can clear your Facebook search history. 

Go to www.facebook.com/hacked and select the "my account is compromised" option. After that, carefully identify the account by entering the username, email address, or mobile number. Now, Facebook will prompt you with a series of security questions, including the account's old password, if you enter the captcha (special code) in the "security check" option. The complaint will be sent to Facebook if you correctly respond to the questions and select the submit button.

BNP Secretary General Mirza Fakhrul Islam Alamgir says he does not have a Facebook account.