Oil prices rose on Thursday as more attacks by the Houthis in Saudi Arabia prompted the United States to order some diplomats and family members to ​leave its missions in the Kingdom. Brent crude futures rose $1.29, or 1.2 per cent, ​to $110.11 a barrel at 00:34 GMT, while US West Texas Intermediate crude gained 97 cents, ‌or 1 per cent, to $98.12. Brent had settled largely unchanged on Wednesday, while WTI had eased 67 cents.