India, Sept. 8 -- Oil prices climbed to multi-week highs on Tuesday as fears of a wider Middle East conflict grew. Brent crude rose to around $99 a barrel, while US West Texas Intermediate (WTI) gained more than 3%, as fresh attacks and threats between Iran and the US raised concerns about oil supplies.

Brent crude futures were up $2, or 2.06%, at $99 a barrel by 0800 GMT. WTI was at $94.41 a barrel, up $2.93, or 3.2%. Brent briefly climbed to $99.22 a barrel, its highest level since July 24. WTI also reached $94.60, its highest price since June 8.

The rise came after Iran-backed Houthis attacked energy facilities in Saudi Arabia, while Iran threatened the US with what it called "economic warfare." The fresh developments increased fears...