* The tanker has a capacity of about 261,000 cubic metres and is coming from Qatar.

* LNG tanker Al Samriya is due to arrive at Britain's South Hook terminal on June 28, port authority data showed.

* Al Samriya has a capacity of about 258,000 cubic metres and is coming from Qatar.

* LNG tanker British Diamond is due to arrive at Belgium's Zeebrugge terminal on July 4, port authority data showed.

* British Diamond has a capacity of about 152,000 cubic metres and is carrying cargo from Russia.