New York (CNN Business) Oil prices climbed on Tuesday after Saudi Arabia reported "armed drones" attacked two pumping stations in the kingdom, underscoring rising tensions in the Middle East.

US oil prices rose 1.4% even though Saudi Aramco told CNN that the attack caused "no damage to oil production, no oil spills or injuries." Brent crude, the global benchmark, jumped 1.6%.

The Saudi Energy Ministry told the kingdom's state-run press agency that the attack caused a fire that has since been contained.

The apparent drone attack comes just a day after Saudi Arabia said two of its oil tankers were sabotaged off the coast of the United Arab Emirates.

Normally such threats to the Middle East's oil supplies would have a more pronounced impact to oil prices. But the gains have been muted by global fears about the deepening US-China trade war.

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