Iranian boats try to seize British tanker
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A Royal Navy ship fended off the attempted seizure of a British oil tanker by Iranian boats in the Strait of Hormuz, in an apparent tit-for-tat response to the arrest of one of Iran’s own vessels
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HOW INCIDENT UNFOLDED
1 Three boats believed to belong to Iran’s Islamic Revolutionary Guard Corps (IRGC) approach oil tanker British Heritage and try to bring it to halt near Abu Musa island
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2 HMS Montrose, British frigate escorting British Heritage, moves between boats and tanker
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3 Iranian vessels withdraw after warnings from warship. Iran denies any attempted seizure
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Strait of Hormuz

Jul 4, Strait of Gibraltar: British Royal Marines seize Iranian tanker, Grace 1, on suspicion of breaking EU sanctions by taking oil to Syria
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IRGC naval bases 
Maritime boundary
Deep water shipping lane
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Route of British Heritage on Jul 10-11

STRAIT OF HORMUZ
GULF OF OMAN
PERSIAN GULF
IRAN UAE
IRAN UAE
IRAN OMAN
IRAN
Abu
Dhabi 
OMAN
OMAN 
UNITED ARAB EMIRATES 

40km  25 miles

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Abu Musa: Occupied by Iran, claimed by UAE

07:00GMT: British Heritage position
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Sources: BBC, Marine Traffic, Reuters           © GRAPHIC NEWS