( CNN ) -- Two people were killed and 68 others injured in clashes between police and foreign workers following a visa crackdown in Saudi Arabia , the official news agency reported . Police arrested 561 people Saturday in the capital of Riyadh , according to the Saudi Press Agency . The arrests came after `` unidentified '' people barricaded themselves in narrow streets , where they threw stones at residents and vandalized shops and cars , according to a police statement posted on the news agency 's website . In the aftermath of Saturday 's clashes , a police spokesman urged workers without proper documents to surrender at a shelter in the capital until they could be deported . Most of the workers impacted by recent police raids are African migrants . Reports circulated last week of the death of an Ethiopian man , prompting the Ethiopian Foreign Ministry to issue a statement that it `` condemned the killing of an Ethiopian and mistreatment of its citizens residing in Saudi Arabia . '' Saudi Arabia launched a `` security campaign '' this month to crack down on workers violating visa rules .
Police arrested him on arrival in the capital of Bahrain . Saudi Arabia launched a ` ` security campaign '' this month to crack down on visa violations .