Dutch and British gas prices jump on reports US will extend blockade of Iranian ports

LONDON, April 29 (Reuters) - ​Dutch ⁠and British wholesale gas ​prices jumped over 5% on ​Wednesday ‌after a media report ⁠that the United States will ⁠extend its ​blockade of Iranian ports and after Iran warned of "unprecedented military ​action" ‌against continued U.S. seizures of Iran-linked vessels.

The Wall Street Journal cited U.S. ​officials as saying the president had ‌instructed aides to prepare for an extended blockade ‌of Iran's ports in a bid to force Tehran ​to capitulate.

The benchmark Dutch front-month contract ‌at the TTF hub was up 5.35% at 45.93 euros ⁠per ⁠megawatt hour (MWh), or $15.73/mmBtu, by ‌1339 GMT, ICE data showed.

The British ​front-month ​contract was up ‌5.16% at 114.00 pence per therm.