Sidon, Lebanon, Aug 18, SPA -- A hand grenade and a small bomb exploded in two separate Palestinian refugee camps in southern Lebanon around dawn on Wednesday but nobody was injured, Palestinian officials said. They said a bomb exploded outside the house of an official of Palestinian Fatah movement in the Mia-Mia refugee camp near Sidon. In the nearby Ain el-Hilweh camp, a hand grenade exploded in a street. --SPA 1201 Local Time 0901 GMT www.spa.gov.sa/192939