From The Indcependent (UK), Thursday, 1 January 2009, by Ben Lynfield in Jerusalem:
Hamas has accused senior aides of the Palestinian President, Mahmoud Abbas, of spying for Israel, underscoring an intensification of Palestinian infighting even in the face of Israel's bombardments in the Gaza Strip.
... This includes allegations that the former Fatah strongman in Gaza, Mohammed Dahlan, whose forces were defeated by Hamas in its June 2007 takeover of the Strip, met Israeli intelligence officials several weeks ago to discuss Israeli plans for a strike in Gaza. Mr Dahlan, according to an account on the Islamist movement's website, urged Israel to deal a "painful blow" to Hamas.
The charge of spying was made by a Hamas spokesman, Fawzi Barhoum, also on the movement's website and in remarks broadcast on al-Jazeera, the satellite television station based in Qatar. They were angrily denied by Fatah leaders....