Daily Telegraph, London
Within an hour of Israel's ground operations starting, a Hamas spokesman claimed that the militant group had killed "a number" of Israeli soldiers entering the territory. By Dina Kraft in Tel Aviv and Angus McDowall
Last Updated: 8:37PM GMT 03 Jan 2009
While it was impossible to immediately verify the claims, they were indicative of the results expected by Hamas - and greatly feared by Israel's political leadership.
For all the Jewish state's military might, a ground offensive could prove very costly - as its 2006 war against the Lebanese Hizbollah guerrillas proved.
In that conflict, the Lebanese militia used state-of-the-art technology combined with an incisive tactical nous to embarrass the supposedly superior Israeli Defence Force (IDF).
Over the subsequent two years, both Hamas and the IDF have trained for a similar confrontation - substituting the dense urban environment of Gaza for the forested hills of southern Lebanon.
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http://www.telegraph.co.uk/news/worldnews/middleeast/palestinianauthority/4093390/Gaza-Hamas-relishing-chance-to-take-on-Israeli-forces.html