A top Pentagon intelligence official warned on Saturday that the destruction of Hamas would only lead to something more dangerous taking its place, as he offered a grim portrait of a period of enduring regional conflict, Reuters reported.
The remarks by Lieutenant General Michael Flynn, the outgoing head of the Defense Intelligence Agency, came as Israeli ministers signaled that a comprehensive deal to end the 20-day-old conflict in the Gaza Strip appeared remote.
At least 1,050 Gazans - mostly civilians - have been killed, and 42 Israeli soldiers and three civilians in Israel have died.
Flynn disparaged Hamas for exhausting finite resources and know-how to build tunnels that have helped them inflict record casualties on Israelis. Still, he suggested that destroying Hamas was not the answer.
"If Hamas were destroyed and gone, we would probably end up with something much worse. The region would end up with something much worse," Flynn said at the Aspen Security Forum in Colorado.
"A worse threat that would come into the sort of ecosystem there ... something like ISIS," he added, referring to the Islamic State, which last month declared an "Islamic caliphate" in territory it controls in Iraq and Syria.
Confined in the crowded, sandy coast enclave of 1.8 million, where poverty and unemployment hover around 40 percent, weary Gazans say they hope the battle will break the blockade that Israel and Egypt impose on them.
Israeli officials said any ceasefire must allow the military to carry on hunting down the Hamas tunnel network that criss-crosses the Gaza border.
Flynn's comments about the conflict came during a gloomy, broader assessment of unrest across the Middle East, including in Syria and Iraq. Flynn said bluntly: "Is there going to be a peace in the Middle East? Not in my lifetime."
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