An M23 rebel soldier looks back as he and others take positions near the Heal Africa hospital in the center of Goma on Tuesday. A rebel group created just seven months ago seized the strategic provincial capital of Goma. (Associated Press)

An M23 rebel soldier looks back as he and others take positions near the Heal Africa hospital in the center of Goma on Tuesday. A rebel group created just seven months ago seized the strategic provincial capital of Goma. (Associated Press)