After Iran detained a British flag carrier in the Strait of Hormuz, the British Ministry of Defense rushed to move in the Gulf.
The ministry said it would send reinforcements to the Gulf, confirming Britain's commitment to a military presence in the Middle East to keep the Strait of Hormuz open.
Britain has sent a letter to the Security Council about Iran's abduction of its oil tanker, saying there was no evidence Iran claimed the tanker had hit an Iranian fishing boat.
The British Daily Telegraph reported that British ministers were planning plans to impose sanctions on Iran after Iran seized a British-flagged oil tanker in the Gulf.
British Foreign Secretary Jeremy Hunt is expected to announce diplomatic and economic measures on Sunday, including the possible freezing of assets in response to the incident, the newspaper said.
Britain may also call on the United Nations and the European Union to re-impose sanctions on Iran after its lifting in 2016 following an agreement on Iran's nuclear program, the newspaper said.