India, March 17 -- Oil futures settled higher on Monday on hopes of improved demand from China after plans to boost consumer spending, and on possible supply disruptions due to the tensions in the Middle East.

West Texas Intermediate Crude oil futures for April closed higher by $0.40 or about 0.6% at $67.58 a barrel.

Brent crude futures settled at $71.07 a barrel, gaining $0.49 or 0.69%.

The U.S. vowed to keep attacking Yemen's Houthis until the Iran-aligned group ends its assaults on shipping.

The U.S. has launched a "decisive and powerful" wave of air strikes on Houthi rebels in Yemen, citing the group's attacks on shipping in the Red Sea as the reason.

"Funded by Iran, the Houthi thugs have fired missiles at US aircraft, and targete...