|21 July, 2019

Iran's recent clashes with the West over Gulf shipping, nuclear plans

Below is a timeline of recent incidents

Tensions between Iran and the West have escalated since U.S. sanctions on Iranian oil exports took full effect in May and British naval forces seized an Iranian supertanker.

Below is a timeline of recent incidents:

May 2 - The United States, which withdrew from a nuclear accord between Iran and global powers in 2018 and stepped up sanctions on Tehran, ends waivers that had allowed eight countries - China, Greece, India, Italy, Japan, South Korea, Taiwan and Turkey - to continue buying Iranian crude

May 5 - The United States says it is deploying an aircraft carrier strike group and bombers to the Middle East, citing threats from Iran 

May 8 - Iran announces it will relax some curbs on its nuclear programme, stopping short of violating its 2015 deal with world powers but threatening more action if countries do not shield it from U.S. sanctions 

May 10 - The U.S. Maritime Administration warns of possible Iranian attacks on shipping in the Gulf 

May 12 - Four ships, including two Saudi oil tankers, are attacked in the Gulf just outside the Strait of Hormuz, a major oil shipping route. U.S. officials pin the blame on Iran, a charge Tehran denies 

June 13 - Two tankers are attacked south of the Strait of Hormuz. Washington again blames Iran and Tehran denies any role 

June 20 - Iran shoots down an unmanned U.S. surveillance drone. 

July 4 - Royal Marines seize Iranian supertanker Grace 1 near Gibraltar on suspicion of violating European Union sanctions on Syria 

July 5 - An Iranian Revolutionary Guards commander threatens to seize a British ship unless the Grace 1 is released 

July 7 - Iran says it will boost uranium enrichment above a cap set under the 2015 nuclear deal and will reduce its commitments to the pact, drawing a warning from U.S. President Donald Trump and expressions of concern from Germany, France and Britain 

July 10 - Royal Navy frigate HMS Montrose issues verbal warnings and aims its guns at boats believed to belong to Iranian Revolutionary Guards which approached BP BP.L oil tanker British Heritage at the northern entrance of the Strait of Hormuz 

July 18 - The United States says USS Boxer "destroyed" an Iranian drone in the Strait of Hormuz after it threatened the U.S. Navy ship but Iran denies it has lost a drone 

July 19 - Gibraltar extends detention of tanker Grace 1 by one month 

July 19 - Iran seizes British-operated oil tankers Stena Impero and Mesdar, the latter released after receiving a warning from Iranian authorities

(Writing by Jason Neely; editing by Edmund Blair) ((jason.neely@thomsonreuters.com; +442075424435; Reuters jason.neely.thomsonreuters.com@reuters.net))

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