Prince Philip is still in the hospital.
“His Royal Highness The Duke of Edinburgh was admitted to the King Edward VII Hospital in London, on Tuesday evening. The Duke’s admission is a precautionary measure, on the advice of His Royal Highness’s Doctor, after feeling unwell. The Duke is expected to remain in hospital for a few days of observation and rest,” the Palace said in a statement.
It was not an emergency admission, and not COVID-related and he “remains in good spirits” according to the report.