Pakistan, Oct. 24 -- The federal government has increased the price of high-speed diesel (HSD) by Rs1.91 per litre while keeping petrol prices unchanged in the latest fuel price revision. Following the adjustment, high-speed diesel will be available at Rs393.66 per litre, while petrol will continue to be sold at Rs377.71 per litre. According to a notification issued by the Petroleum Division, the revised prices will remain in effect until October 26. Oil prices rose on Friday, with Brent crude touching a more than five-month high, after Houthi attacks in Saudi Arabia stoked concern over further disruption to energy supplies from the Middle East. Brent crude futures gained $1.40, or 1.2 per cent, to $114.57 a barrel by 1138 GMT (4:38pm PKT...