Soldier (The Masque of Mandragora)
From Tardis Wiki, the free Doctor Who reference
A soldier was a member of the guards in San Martino in 1492. While calling villagers inside the city for curfew, he was attacked and killed by Helix energy. His body was found by and examined by the Duke Giuliano and his guards, who thought he was killed by a "fire demon". (TV: The Masque of Mandragora)