Through Dan WilliamsZEELIM GROUND FORCES BASE, Israel (Reuters) – After finding what they described as the doorway to a Hamas tunnel below an evacuated clinic in northern Gaza, Israeli military engineers crammed the passage with exploding gel and hit the detonator.The blast engulfed the development and despatched smoke spewing out of no less than 3 issues alongside a close-by highway in a district of the town of Beit Hanoun, surveillance photos confirmed.”The gel unfold out and exploded no matter that they had been looking ahead to us within the tunnel,” a military officer informed journalists at a briefing at Zeelim Floor Forces Base in southern Israel.Clearing the tunnels is a very powerful a part of Israel’s army marketing campaign in opposition to Hamas within the Gaza Strip in keeping with the Palestinian militant staff’s fatal assault on southern Israel on Oct. 7.When now not the usage of munitions to map out the bunkers, entry shafts and tunnels which either side say run for masses of kilometres (miles) below Gaza, the military opts for tracker robots and different era operated remotely.The officer may now not be recognized below the foundations of the briefing, and declined to offer additional main points of below-ground battle which he stated was once a piece in growth. He didn’t identify the clinic in Beit Hanoun.”I believe there are different strategies being evolved,” he stated. “This is the place creativity and innovation turn out to be useful.”In Beit Hanoun, the place his forces have been running, some gunmen had stormed the Israeli army from tunnel shafts and were killed, he stated.Israel’s coverage, he stated, was once to not ship group of workers within the different course to confront Palestinian combatants who would have a defender’s benefit in slender, darkish, under-ventilated and collapsible passages with which they have been acquainted.”We do not wish to cross down there. We all know that they left us numerous side-bombs (improvised explosives gadgets),” he stated.One such bomb, rigged to the quilt of a tunnel-access shaft at floor degree, had killed 4 particular forces reservists final week.WEB OF TUNNELSHamas has tunnels for assault, smuggling and garage, safety resources say. Dozens of shafts may end up in every tunnel at depths of between 20 and 80 metres (65-260 toes).Destroying a shaft is somewhat simple and fast, the officer stated, including: “Any platoon can do it.”The Israeli army stated final week that 130 shafts were destroyed up to now, however gave no determine for demolished tunnels.The tunnels are tougher to take on. The officer stated a number of tonnes of the exploding gel – on which he declined to present any technical main points, instead of to mention it’s introduced in by way of truck – are required for each and every few hundred metres of tunnel.After-action research is hard. The officer stated round part of the shafts in his Beit Hanoun operation zone were destroyed, however said that those will also be rebuilt.”It is laborious to mention what number of tunnels (are destroyed) as a result of they’re all hooked up,” he stated.Hamas has denied the usage of hospitals as duvet for such tunnels. It has disregarded assertions by way of Israel that it has a command centre below Gaza’s greatest clinic, Al Shifa, which Israeli forces entered on Wednesday.EFFORTS TO AVOID ENDANGERING HOSTAGESHamas took some 240 other folks again to Gaza as captives within the Oct. 7 assault by which about 1,200 other folks have been killed, Israel has stated. One among a handful of hostages launched stated she and no less than two dozen others were held in a tunnel.The military officer stated care was once being taken to not endanger tunnels that can comprise hostages.”We on occasion get indications that this (a goal) may well be associated with hostages. After which we all know to not assault it until we get an approval (that it’s transparent)”, he saidLike a lot of northern Gaza, Beit Hanoun has been emptied of civilians, who fled south below orders from Israel because it despatched in floor troops to take a look at to wipe out Hamas.”The one inhabitants left is the terrorists,” the officer stated, including that on occasion a secondary explosion prompt by way of a tunnel destruction blast “will carry down a development a couple of hundred metres away”.Palestinian gunmen taken captive have equipped Israel with intelligence at the tunnel community, he stated, however this knowledge has been restricted.”Maximum of them have no idea about the entire town. However they know their very own village, they know beautiful smartly the tunnel machine,” the officer stated.The officer stated it would take months to ruin Gaza’s whole underground community.”I believe it is extra sophisticated than the New York Town subway,” he stated.(Modifying by way of Timothy Heritage)