Prince Harry is facing an uncomfortable situation as a petition to stop the Duke of Sussex from receiving an award has reached 50,000 signatures. The royal is set to be given the memorial award set up in the name of Pat Tillman in Hollywood this month. Tilman gave up a lucrative career in the NFL to enlist as an Army Ranger in 2002. The US war hero served in Iraq and then Afghanistan, where he was killed by friendly fire in 2004. He was awarded the Silver Star and Purple Heart for bravery. Tilman’s mother Mary has criticised the decision to give the award named after her dead son to Prince Har…