Saudi authorities arrested 16,250 people in one week for breaching residency, work and border security regulations, according to an official report.
A total of 9,343 people were arrested for violations of residency laws, while 4,555 were held over illegal border crossing attempts and a further 2,352 for labor-related issues.
The report showed that among the 785 people arrested for trying to enter the Kingdom illegally, 62 percent were Yemeni, 27 percent Ethiopian, and 11 percent were of other nationalities.
A further 18 people were caught trying to cross into neighboring countries, and 13 were held for involvement in transporting and harboring violators.
So far, the authorities transferred 36,316 offenders to their respective diplomatic missions to obtain travel documents, while 2,004 were transferred to complete their travel reservations and 9,777 were deported.
The Saudi Ministry of Interior said that anyone found to be facilitating illegal entry to the Kingdom, including providing transportation and shelter, could face imprisonment for a maximum of 15 years, a fine of up to SR1 million ($260,000), or confiscation of vehicles and property.
Suspected violations can be reported on the toll-free number 911 in the Makkah and Riyadh regions, and 999 or 996 in other regions of the Kingdom.