Cairo--A fourth Egyptian died in hospital on Wednesday as a result of protests the previous day that were staged to call for an end to President Hosni Mubarak's 30-year rule, a medical source said. Gharib Abdelaziz Abdellatif, 45, died in Suez, east of Cairo, the source said. Two other protesters died in Suez on Tuesday due to rubber bullets. A police officer was also killed on Tuesday in Cairo as a result of a stone hitting his head.