AMMAN - One bystander was killed when Jordanian security forces used batons and sprayed water to disperse a clash between pro-monarchy demonstrators who hurled stones at protesters calling for political reform, a witness said.Amer Khairy Saad told Reuters his father, Khairy, 57, died in hospital after police beat him as they were trying to disperse the opposing crowds who had gathered near the Interior Ministry in the Jordanian capital.