Ridha mosque in Al-Ahsa resulted in the deaths of four people, including two security men and wounding 18 people. * On February 27, 2016 AD, a fire shooting happened in Qassim resulted in the death of one person. * On April 4, 2016 AD, an explosive device exploded in Al-Kharj city resulted in the death of one person. * On April 6, 2016 AD, a fire shooting event happened in Riyadh resulted in the death of one person. * On 16 April 2016 AD, a fire shooting occurred in Qatif. * On April 30, 2016 AD, an explosive device exploded in Al-Ahsa. * On June 27, 2016 AD, a fire shooting occurred in Qatif resulted in the death of one person. * On July 4, 2016 AD a suicide bombing occurred in the holy city of Madinah resulted in the deaths of four security men and the injury of 5 people. * On July 4, 2016 AD, a suicide bombing occurred in the city of Qatif, resulted in the deaths of three people. * On July 4, 2016 AD, a suicide bombing happened in the city of Jeddah. * On August 15, 2016 AD, a running-over incident happened in Asir region resulted in the death of one person. * On August 18, 2016 AD, a fire shooting occurred in the city of Qatif resulted in the death of one person.