Makkah, July 28 -- Saudi security forces have arrested an Egyptian pilgrim inside the Grand Mosque in Makkah after he raised a Palestinian flag and chanted slogans calling attention to the humanitarian crisis in Gaza Strip.

A 35-second video clip of the incident, widely circulated on social media, showed the man in front of the Kaaba, waving the flag and emotionally shouting,"Wa Islamah!"-a historical Islamic cry of distress-followed by "The children of Gaza are dying. O Muslims!"

Moments later, Saudi officers approached and swiftly arrested him inside the mosque.

Watch the video here

The incident has drawn online criticism and reignited debate over Saudi Arabia's ban on political expression at Islamic holy sites.

Saudi Arabia has ba...