Answer: Saudi Arabia
Notes: Yanbu is a port city on the Red Sea coast of western part of the Saudi Arabia. Recently, a remotely piloted boat packed with explosives has been found by the kingdom near the port of Yanbu in the Red Sea. Saudi Arabia claimed to have intercepted and destroyed the attack boat, which caused a blast. Ther have been a series of attacks on shipping in the Mideast region amid a shadow war and negotiations between Iran and Israel.
