A fourth tanker was a target of the sabotage that embroiled two Saudi and one Norwegian oil tankers, Reuters reported late on Monday, this time bearing the flag of the United Arab Emirates. Earlier in the day, the UAE had reported that three tankers had been the subject of sabotage off its coast, but did not offer any additional details as to the nature of the attacks. Saudi Arabia has also not commented on the nature of the attacks, but said that the damages were “significant”. The Strait of Hormuz is a critical chokepoint for the…