Chief of Public Security in the Kingdom of Bahrain Maj. Gen. Tariq Al-Hassan said that several parts of the Kingdom witnessed last night riots and vandalism, and targeted several vital streets including King Faisal, Sheikh Khalifa bin Salman and Sheikh Isa bin Salman roads. Maj. Gen. Al-Hassan noted that a group of rioters set fire to tires in order to disrupt traffic, used Iron bars and Molotov cocktails, and attacked citizens and security officers. Four rioters were arrested, he noted.