M23 rebels in the Democratic Republic of Congo say the United Nations is stopping trucks full of weapons and ammunition from leaving the city of Goma.<br />The rebels were due to meet a Friday deadline to retreat from the city after capturing it last week. <br />But, M23 leaders say their withdrawal has been delayed indefinitely because of "logistical" problems. <br />Al Jazeera's Nazanine Moshiri reports from Sake, DR Congo.
