Arafat Jaradat had been detained for five days when he died . Palestinian president says Israelis killed him . Israeli Prime Minister Benjamin Netanyahu 's liaison with Palestinians , Yitzhak Molco , passed on the demand for calm to the Palestinian Authority , Israeli government officials said . Score: 7 U.N. calls for transparent investigation into death .
Arafat Jaradat had been detained for five days when he died . Palestinian president says Israelis killed him . Score: 7 U.N. calls for transparent investigation into death .