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It took two full days for Israel to clear Hamas fighters from its land - and some are asking why.
www.bbc.com
By Gordon Corera
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'Motorised hang-gliders and motorbikes were also involved, as between 800 and 1,000 armed men flooded out of Gaza to attack multiple sites.
These swarming tactics seem to have succeeded in overwhelming Israel's defences - at least for a while.
Such a range of activity would have led to chaos within Israel's command and control centres, already quiet on a Saturday morning which was also a religious holiday.
Some of the Hamas fighters targeted civilian communities while others targeted military outposts.
There has been shock that these outposts were so lightly-defended that they could be overrun, with images posted of Israeli tanks in Hamas hands.''
''Israel's military and intelligence capability has long been rated as the best in the Middle East and one of the best in the world. But they may also have underestimated the abilities of their opponents.
The attacks have been compared to those of 9/11 in the US, when no-one had predicted that planes could be used as weapons.
That was often called a "failure of imagination".
And a similar failure of imagination may also be one of the issues for Israel, leaving it unprepared for something so ambitious from its enemy.''