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.