Heavily redacted court documents are shedding no fresh light on the circumstances under which Prince Harry entered the United States, the latest development in a legal fight by a conservative group that is pushing to find out whether Harry lied about past drug use on his immigration forms.

The U.S. government released documents related to a court battle over Prince Harry's 2020 visa application on Tuesday but redacted large portions, saying it had a duty to protect his privacy and there was no evidence he received special treatment.