Violent clashes in Gaza City between Hamas gunmen and unknown fighters has cast doubt on a recent truce intended to end conflict between rival Palestinian groups.
The fighting occured in the early hours of Friday near the home of Mahmoud al-Zahar, the Palestinian foreign minister.
It was not immediately clear if the fighting with Hamas gunmen involved Fatah, their secularist Palestinian rivals.
Early reports said that men loyal to a local clan had attacked al-Zahar's house.
The number of casualties was not immediately clear.
Gaza has recently been the scene of increasingly heavy fighting between Fatah and Hamas.
Tensions have been high in Gaza after Palestinian President Mahmoud Abbas called on Saturday for early elections.
Hamas, which trounced the once dominant Fatah in January polls, said it would boycott a new poll.
KC
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