Gaza City, Shawwal 07, 1435, August 03, 2014, SPA -- Ground troops withdrew from the Gaza Strip Sunday as Israel wrapped up an operation to destroy tunnels, but airstrikes continued, killing at least 15 Palestinians, among them 10 members of one family, dpa reported. A military official said that most combat troops were back in Israeli territory by the morning. Officials stressed that some soldiers would remain in key positions, especially on the inside of the Gaza-Israel border, between the first lines of houses and the border fence. --SPA 10:58 LOCAL TIME 07:58 GMT www.spa.gov.sa/w