There are Iranian manufacturing marks on the wreckage of drones and missiles displayed by the Saudi Ministry of Defense.(Associated Press)

The Saudi Arabia Department of Defense held a press conference on Wednesday (18th) to announce the fragments of the wreckage of drones and missiles attacking Saudi oil facilities, saying that these physical evidence did not doubt Iran.

A Saudi Ministry of Defense spokesman said that in addition to the Iranian cruise missile, the Delta Wing drone was also used during the attack.He said: missiles and drones are launched from the north, and there is no doubt that Iranian action is undoubted.

U.S. President Trump announced earlier on the same day.