RIYADH — Saudi security authorities arrested a total of 8,090 illegal residents in a week. The arrests were made in the joint inspections, carried out by the security forces in collaboration with the relevant government agencies, during the period between May 21 and May 27, the Ministry of Interior announced on Saturday. Those who were arrested include 4,266 violators of the Residency Law, 2,653 violators of the Border Security Law, and 1,171 vi…