U.S. Defense Secretary Lloyd Austin said on Wednesday that he had not seen evidence that there was a Hezbollah bunker filled with cash built under a hospital in Beirut, adding that Washington would continue to work with Israel to get a better insights.

An Associated Press team was among journalists taken on a tour inside a hospital in Beirut’s southern suburb where the Israeli army claimed without offering evidence that Hezbollah was storing hundreds of millions of dollars in cash and gold in tunnels underneath.