The Israeli army had no immediate comment. Israel has frequently targeted the tunnels in retaliation for rocket fire from the Hamas-ruled coastal enclave.
The impoverished territory of 1.5 million people has largely relied on the vast network of tunnels on the border since Israel and Egypt sealed Gaza off to all but vital aid after the Islamist movement Hamas seized power in June 2007.
Most of the tunnels are used to bring in basic goods like food, household appliances and livestock but Hamas and other militant groups reportedly use their own more tunnels to bring in arms and money.
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