RIYADH: Saudi authorities arrested 20,471 people in one week for breaching residency, work and border security regulations, the Saudi Press Agency reported on Saturday. According to an official report, a total of 12,972 people were arrested for violations of residency laws, while 4,812 were held over illegal border crossing attempts, and a further 2,687 for labor-related issues. The report showed that among the 1,050 people arrested for trying to enter the Kingdom illegally, 62 percent were Ethiopian, 36 percent Yemeni, and 2 percent were of other nationalities.