Oil prices rose on Thursday amid growing concern over the prolonged closure of the Strait of Hormuz, as the US-Iran war chokes off vital Middle East oil and gas flows while production facilities limit output. Brent crude was trading up $1.67, or 2.05%, at $83.07 per barrel by 0141 GMT. US West Texas Intermediate crude rose $1.94, or 2.60%, to $76.60. The US–Iran war widened on Wednesday af