text:  Residents of Gaza City say there's been another day of intense Israeli military activity. On Tuesday, tanks advanced further into the districts of Asher Jaya, Sabra and Tal al-Hawa, where residents had reported on Monday some of the fiercest fighting since the start of the conflict. The head of the relief agency UNRWA, Philippe Lazzarini, said displaced Palestinians in Gaza were back on the road looking for a safe place.