Israeli students hold flags and shout slogans as they demonstrate in Jerusalem. Monday, Dec 29, 2008. Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Palestinian student shouts slogans during a demonstration in Jerusalem. Monday, Dec 29, 2008. Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem. Monday, Dec 29, 2008. in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Israeli students hold flags and shoutslogans as they demonstrate in Jerusalem. Monday, Dec 29, 2008. Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem. Dec 29, 2008. in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

A Palestinian student shouts slogans during a demonstration in Jerusalem. Monday, Dec 29, 2008. Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

An Israeli student looks up and shout slogans during a demonstration in Jerusalem. Monday, Dec 29, 2008. Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem, Dec 29, 2008, in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Photo by Kobi Gideon / FLASH90.

Almost 200 people took part in a demonstration held on Monday afternoon outside the Hebrew University in Jerusalem. Dec 29, 2008. in protest of the military operation in the Gaza Strip. The demonstrators held signs reading "Free Gaza" and "Free Palestine" and waved Palestinian flags. Some 300 Jewish students held a counter-demonstration in support of Operation Cast Lead. Matanya Tausig / Flash90.

Palestinian protestors throw stones at Israeli police during clashes in The east Jerusalem neiborhood of Shoafat on December 29, 2008, as Palestinians demonstrated against Israeli air strikes on the Gaza Strip. Palestinians across the West Bank demonstrated today after massive Israeli air strikes on the Gaza Strip Photo by Yossi Zamir/Flash90

Palestinian protestors throw stones at Israeli police during clashes in The east Jerusalem neiborhood of Shoafat on December 29, 2008, as Palestinians demonstrated against Israeli air strikes on the Gaza Strip. Palestinians across the West Bank demonstrated today after massive Israeli air strikes on the Gaza Strip Photo by Yossi Zamir/Flash90

Palestinian protestors throw stones at Israeli police during clashes in The east Jerusalem neiborhood of Shoafat on December 29, 2008, as Palestinians demonstrated against Israeli air strikes on the Gaza Strip. Palestinians across the West Bank demonstrated today after massive Israeli air strikes on the Gaza Strip Photo by Yossi Zamir/Flash90

Palestinian protestors throw stones at Israeli police during clashes in The east Jerusalem neiborhood of Shoafat on December 29, 2008, as Palestinians demonstrated against Israeli air strikes on the Gaza Strip. Palestinians across the West Bank demonstrated today after massive Israeli air strikes on the Gaza Strip Photo by Yossi Zamir/Flash90