FACTBOX-Developments In Gaza Fighting, Jan 17

Israeli tank shell killed a woman and boy in Jabalya, Palestinian medical workers said.

* GAZA - Israeli air strike killed a father and son in the Jabalya refugee camp, Palestinian medical workers said.

* GAZA - Israeli tank shell killed a woman and boy in Jabalya, Palestinian medical workers said.

* GAZA - Gunfights continued between Israeli troops and Hamas militants southwest of the city of Gaza, residents said.

* GAZA/EGYPT BORDER - Israel carried out an air strike on smuggling tunnels that run beneath Gaza's border with Egypt, residents said.

GAZA - Four Israeli soldiers wounded seriously, possibly in a "friendly fire" incident in the Gaza Strip, army says.

* DEATH TOLL - The Hamas-run Health Ministry in Gaza says at least 1,205 Palestinians have been killed in the Gaza offensive, among them 410 children and some 5,300 have been wounded, among them 1,631 children.

Israel has lost 13 dead -- 10 soldiers, and three civilians hit by Hamas rocket fire --- since Dec. 27 when it launched an offensive with the stated goal of halting rocket salvoes.

* SOUTHERN ISRAEL - Gaza militants launched at least 14 rockets and mortar bombs into southern Israel causing no casualties.

GAZA - Israeli bombardment kills two boys sheltering at a U.N. school and wounds 14, including the boys' mother, a U.N. spokesman said.

GAZA - Four people are killed by Israeli tank fire at a Gaza residential neighbourhood, hospital staff said.

GAZA - Hamas says one of its fighters was killed in a clash with troops in central Gaza.

GAZA - The Israeli army attacks 50 targets overnight, including 16 tunnels, two mosques from which gunmen had fired on troops, three bunkers, eight rocket-launching pads and six mined areas including a booby-trapped building.