TOKYO: Japanese Prime Minister Shigeru Ishiba told United States President Joe Biden that "strong" concerns have been raised over his decision to block Nippon Steel's takeover of US Steel , local media reported on Monday (Jan 14). Citing national security concerns, Biden put a stop to the US$14.9 billion sale and irked one of Washington's closest allies. "I said that strong voices of concerns are being raised not just in Japan but also in the US business community, and I urged (Biden) to dispel