Mubarak was hospitalized at Sharm el-Sheikh International Hospital , state media reported . NEW : Questioning of Mubarak over corruption charges has begun , military says . Egyptian state television reports Mubarak had a heart attack . Comment: Mubarak stepped down from power on February 11 .
NEW : Questioning of Mubarak over corruption charges has begun , military says . Egyptian state television reports Mubarak had a heart attack . Comment: Mubarak stepped down from power on February 11 .