Jewish residents of Lod discovered on Sunday that their homes were broken into and ransacked by Arab neighbors while they found shelter away from the riots outside the city.
Furniture was smashed appliances broken and religious books vandalized.
The Shin Bet security agency said it had arrested dozens of Arab citizens in suspicion that they participated in attacks of Jews including targeting a family that wondered into the Arab city of Umm al Fahm last week and was accosted by a lynch mob.
Riots broke out in both the Arab sector and in mixed Jewish and Arab cities on Saturday, marking the fifth straight day of civil unrest.
In Lod, which has become the focal point of the recent violence, at least 30 people were arrested for rioting, including 12 people known as members of local criminal gangs.
Police on Saturday, uncovered a cash of firebombs ready for use inside a mosque in Lod on Saturday, in a search conducted by officers and the local Imam.
In an attempt to prevent violence, Defense Minister Benny Gantz extended the "civil emergency" declaration in Lod, and roadblocks were placed to prevent inciters and provocateurs' from entering the city and a curfew was imposed with a penalty of three years imprisonment for anyone found violating the order.
In the mixed city of Ramla meanwhile, Arabs burnt down a shop in the local market that belongs to a Jewish vendor. Other Jewish residents were targeted by fire crackers being huled at them even as they were seeking shelter from rockets fired from Gaza directed at the city and the nearby airport.
In Tiberias on Saturday, Border Police identified suspects armed with batons on the streets. The four suspects, all young men in their 20s, were arrested.
In Jerusalem, police clashed with protesters in east Jerusalem and medical workers at the Hadassah Medical Center discovered that their the cars were vandelized and tyres slashed.
Many roads across the country were also blocked due to rioters. On the country's Coastal road reports rioters threw stones at passing cars. Police forces arrested two residents of Jisr az-Zarqa on suspicion of throwing stones and preparing Molotov cocktails.
In response to another night of riots and unrest, Commissioner Kobi Shabtai said rioters all over the country will face justice.
"We initially were not able to be at every location where rioting broke out but are now in full force and deployed all over the country, so we will be able to respond to each and every event, " Shabtai said.
First published: 11:14 , 05.16.21