Dredging and tugging aimed at freeing a mega-vessel stuck in the Suez Canal failed on Friday to end a blockage that has lifted shipping rates for fuel tankers and scrambled global supply chains for everything from grains to baby clothes.

U.S. President Joe Biden said his administration was looking at what it could do to help, after the 400-meter-long Ever Given ran aground in the vital trade waterway on Tuesday due to strong wind.

"We have equipment and capacity that most countries don’t have. And we are seeing what help we can be," Biden told reporters in Delaware.