Missing persons triple out of U.N. camp . U.N. soldiers stoned by frustrated civilians . Rebel attacks north of Goma in the Democratic Republic of Congo prompted thousands more civilians to flee Tuesday , and U.N. officials said a U.N. convoy trying to provide security near Goma also was attacked . Rebels say they 're within a dozen miles of Goma .
Missing persons triple out of U.N. camp . U.N. soldiers stoned by frustrated civilians . Rebels say they 're within a dozen miles of Goma .