To show solidarity with the victims of the bombing in Lahore, you can add the Pakistani flag to your Facebook profile picture. The flag of Pakistan is green, with a crescent moon and star.

In the wake of attacks in Brussels and in Lahore, Pakistan, some social media users ... a one-click tool to enable users to overlay the French flag and the rainbow filters over their profile pictures.

But it's easy enough to add the flag of almost every ... about someone else's Facebook profile picture. Here's what the site says: Syria, Iraq, Turkey, Lebanon, Pakistan, Yemen, Nigeria, Cameroon ...