Israel will use novel “sponge bombs” as it fights through the network of Hamas tunnels under Gaza.

The Israel Defense Forces (IDF) has been testing the chemical bombs, which contain no explosives but are used to seal off gaps or tunnel entrances from which fighters may emerge.

The IDF has not commented on the use of the so-called “sponge bombs”, which create a sudden explosion of foam that rapidly expands and then hardens.

Its soldiers were seen deploying the devices during exercises in 2021. The army has set up a mock tunnel system at the Tze’Elim army base near the border with Gaza.

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Troops are likely to face a bloody battle through the tunnels known as the “Gaza Metro” when they launch their expected ground invasion. The network is thought to be hundreds of miles long and dense with traps.

It is where Hamas has taken many of the 200 hostages and where its leaders will hope to survive the coming war.

Continue here: The Telegraph