Complex sentence: UDC members and Servants of St. Zita blocked entrance, refusing to move when soldiers demanded, were shot down w/waterhoses, got up throwing rocks at soldiers till the men charged them away.
Split into simpler sentences: UDC members and Servants of St. Zita blocked the entrance, refusing to move when the soldiers demanded. They were shot down with waterholes and got up, throwing rocks at soldiers, until the men charged them away.