increase the tension in the area. The Norwegian Maritime Directorate has gone out to warn five Norwegian ships that are in the Gulf of Oman. On 15 June 2019, Prime Minister of Japan Shinzō Abe "resolutely denounced" the attacks on both ships, though he did not point to any one country. His statement came following a telephone call with U.S. President Donald Trump. After reviewing the video evidence, a source close to Abe said "These are not definite proof that it's Iran" behind the attacks, and "even if it's the United States that makes the assertion, we cannot simply say we believe it". Other organizations The United Nations Security Council met on 13 June in a closed door meeting with a briefing by US acting Ambassador regarding Washington's assessment that Iran was responsible for the suspected attack on two tankers in the strategic sea lane. Paulo d'Amico, the chairman of the International Association of Independent Tanker Owners, expressed concerns for the safety of other vessels in the region and their crews. As a result of the incident, shipping through the Strait has slowed, due to concerns of further damage. The Arab League Secretary-General Ahmed Aboul Gheit called on the United Nations Security Council to take action against those responsible and maintain maritime security. After meeting with UN Secretary-General António Guterres at UN headquarters in New York on 14 June, Aboul Gheit also stated “We believe that responsibilities need to be clearly defined... The facts will be revealed, I am sure, it’s only a matter of time.” Amid U.S. accusations of Iran's involvement in the attack, Abuol Gheit said "My call to my Iranian and I call them Iranian brothers: Be careful and reverse course because you’re pushing everybody towards a confrontation that no one would be safe if it happens." Economic Following a month-long decrease, the price of oil initially increased by 4% after the incident, then settled to an increase of 2%. The increase in oil prices has been attributed to uncertainty regarding the supply of oil, due to reduced shipping in the Strait of Hormuz as a result of this incident. On 17 June, the price of oil returned to its previous decreasing trend, falling by 1.7%. The price of insurance for cargo ships has also risen in response to the event, which could increase oil prices. Bloomberg reported that the war risk insurance premium for the Persian