Human Rights Watch says the Syrian government is using starvation as a war tactic, and that many civilians are paying the price.<br /><br />The group says the besieged al-Waer, the last rebel-held area in Homs, has become a prison for the estimated 100,000 people currently living there.<br /><br />Al Jazeera's Zeina Khodr reports from neighbouring Lebanon.<br /><br />Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website http://www.aljazeera.com/