An aircraft of a naval aerobatic team crashed today during an air show here and police said the pilot was killed and four others were injured on the ground. The Kiran MK-II plane, which was part of the 'Sagar Pawan' aerobatic team participating in a display at the India Aviation show, crashed into a building, Hyderabad Police Commissioner A K Khan said. "The pilot is dead. So far one building is damaged. We have to see how many people were inside it... Four persons have been injured," he was quoted as saying by The Press Trust of India (PTI). Khan said that the injured have been sent to a hospital. The cause of the crash is being ascertained, official sources said.