Children who are malnourished and undernourished are not difficult to spot in Yemen where hunger stalks the poverty-stricken population.

While fighting in northern Yemen between government troops and Houthi rebels has displaced thousands of civilians, aid workers fear they will not be able to address the country's growing hunger needs.

Several aid groups have warned that that widespread suffering could ensue if they unable to reach camps for internally displaced persons (IDP) that have effectively been cut off by the conflict.

Some camps are running short of vital supplies and others are unable to accommodate the growing number of displaced.

Al Jazeera's Hashem Ahelbarra reports from al-Mazraq camp in the country's far north - just 5km from the frontline - where each tent is packed with at least four families.