American missions across the Arab world tightened security on Friday in anticipation of more anti-U.S. demonstrations on the Muslim day of prayer.

Tensions flared with attacks  on U.S. embassies in Sudan and Tunisia, protests in Egypt, Jordan and Pakistan, and even the torching of a Kentucky Fried Chicken restaurant in Lebanon. 

Jim Maceda, veteran NBC News' Foreign Correspondent, has been reporting from Cairo on the protests triggered by an anti-Islam film for the last several days.

Is the wave of protests about more than the amateur, yet provocative, anti-Islam film? What’s really behind the anger? Maceda answered reader questions about the demonstrations earlier today. 

Replay the informative chat below.