![ISRAEL-MILITARY/TUNNELS An Israeli commando from the engineering corps Yahalom ("Diamond") unit takes part in a tunnel-hunting drill in Sirkin special forces base, near Tel Aviv March 7, 2012. Israel, fearing a surge in tunnel and bunker construction by Hezbollah and Palestinian militants in neighbouring Lebanon and Gaza, is training crack troops to hunt below ground with the help of robot probes and sniffer dogs. REUTERS/Nir Elias (ISRAEL - Tags: POLITICS MILITARY) - GM1E83802EC01](/sites/default/files/styles/article_hero_medium/public/almpics/2018/12/RTR2YZHM.jpg/RTR2YZHM.jpg?h=a5ae579a&itok=3k9FMZ9I)
Netanyahu raises doubts with operation against Hezbollah tunnels
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