CAIRO (Reuters) - Unidentified gunmen killed at least Five Egyptian soldiers and policemen on Thursday in two separate gun attacks in **rthern Sinai, an area under emergency rule due to militant violence, security and medical sources said. Three soldiers on leave were traveling in a taxi near Sheikh Zuweid when they were ambushed and shot dead, the sources said. In a separate incident in Rafah, bordering the Gaza Strip, gunmen stopped a car carrying two police conscripts and killed them. ...