Northern Gaza sees fiercest fighting yet

• Residents say bulldozers demolishing homes, markets
• Israeli tanks, warplanes bombard parts of Rafah

CAIRO: Israeli forces launched a fresh assault on northern Gaza on Friday in some of the fiercest engagements since they returned to the area a week ago, while in the south Hamas fighters attacked tanks massing around Rafah.

Residents said Israeli armour had thrust as far as the market at the heart of Jabalia, the largest of Gaza’s eight historic refugee camps, and that bulldozers...