Israeli officials issued greetings to the Muslim world in honor of the month of Ramadan, while Jerusalem has undertaken a special project to prepare the city for the special religious events and celebrations.

While Hamas last launched a full-scale war against Israel in 2014, it has continued to test-fire rockets and develop military capabilities including digging terror tunnels throughout Gaza and training a new generation of terrorists - all in preparation for another attack on Israel.

A suicide bombing outside one of Islam's holiest sites killed four Saudi security forces on Monday, and similar attacks outside a Shiite mosque and a US Consulate in two other Saudi cities raised fears of a coordinated assault aimed at destabilizing the Western-allied kingdom.

'This is one of the best times we've ever had' in terms of cooperation between governments, Israel's Ambassador to Egypt says. 'There's good cooperation between the armies, we have understandings about the Sinai Peninsula, and basically, we see (eye-to-eye) on development of the region.'

Palestinian vandals ripped off a Mezuzah, a Jewish artifact, which was affixed to the main entrance at the Cave of the Patriarchs in Hebron on Friday, while the holy site was open solely for Muslims in honor of the Muslim month of Ramadan.

The Islamic State (ISIS) terror organization is calling on its followers in Western countries to carry out terror attacks during the upcoming holy month of Ramadan, which begins in June.