Attacks by the Iran-aligned Houthi group on ships in the Red Sea have forced many companies to pause or divert cargoes.

None of the affected Sumitomo cargoes were in tankers, a company spokesperson said.

U.S. billionaire investor Warren Buffett has a stake in Sumitomo, which is one of Japan's top trading companies.

(Reporting by Natalie Grover in London; Editing by Andrew Heavens)