There are signs that public order is breaking down in the Gaza Strip, with gangs trying to enrich themselves by stealing from aid deliveries and apparently reselling items on the black market, the UN emergency aid organization said on Tuesday. Lorries carrying aid are often stopped just a few hundred metres behind the border and emptied, according to Jens Laerke, spokesman for the UN’s Organization for the Coordination of Humanitarian Affairs (OCHA). “It is understandable that desperate people take what they can,” he said in Geneva. However, there are apparently gangs who take material from co…