Sixteen years ago, during the holy month of Ramadan, an attacker opened fire in the Ibrahimi Mosque in the West Bank, killing 29 people and injuring 125 others.The assailant was an Israeli settler, the victims all Palestinians, but Israel's reponse to the tragedy has resulted in more restrictions on Muslim worshippers.Today Palestinian worshippers still flock to mark Ramadan in defiance of Israeli restrictions, in an attempt to challenge the settlers' grip on the area. Even though this does not change the reality on the ground.Al Jazeera's Nisreen El-Shamayleh reports from Hebron, in the occupied West Bank.