A number of security checkpoints and vehicles had come increasingly under fire since Monday in the Saudi Arabia\'s Al-Qatif region by assailants motivated by foreign orders, an official source from the Saudi Interior Ministry said in a statement. Saudi Press Agency (SPA) quoted the source as saying that the security forces handled the situation with self restraint as much as possible, adding that two citizens were killed and six others, including a woman and two security officers, were injured. The source said that during the funeral of one of the victims, there were several incidents of fire exchange which resulted in the deaths of two and injuries of three citizens.All necessary procedures had been taken in said residential areas and streets to investigate the incidents, track down the attackers, and prevent further harm to citizens and property, the statement said.According to the statement, the aim of the riot makers is to serve the goals of their associates from other countries in an attempt to drag citizens and security forces into confrontation, warning that all who date violate laws and regulations shall \'\'face consequences\'\', and that security forces at their designated posts are fully authorized to deal with any situation that arises in the manner they deem fitting to stop these criminal acts.The ministry included the statement an appeal to the residents of Al-Qatif to stand up to trouble makers to spare innocent lives and bystanders.