Factbox - Developments in Israel and Palestinian Territories

June 12 (Reuters) - Following are security developments in and around the Gaza Strip, as well as the West Bank, as of 1530 GMT on Tuesday:

Asterisk denotes new or updated entry.

*GAZA - Palestinian President Mahmoud Abbas's largest security force ordered its men into action against Hamas in a sign the fighting could escalate.

*One Fatah and one Hamas militant were killed during clashes in the central Gaza Strip. A second Fatah militant was killed during a Hamas raid in northern Gaza, bringing Tuesday's death toll to four.

*At least 50 other people were wounded in factional fighting throughout Gaza.

GAZA - Hamas's armed wing attacked a Fatah security compound after demanding that Fatah security forces in Gaza City evacuate their headquarters.

RAMALLAH, West Bank - Forces loyal to Abbas stormed the premises of a Hamas-controlled television station, seizing equipment and arresting three workers.

GAZA - Palestinian gunmen fired machine guns and rocket-propelled grenades at the house of Palestinian Prime Minister Ismail Haniyeh of Hamas, causing damage but no casualties.

Militants fired mortar bombs at Abbas's presidential compound. No one was hurt.

Gunmen abducted and killed a member of Hamas's armed wing. Hamas blamed Fatah for the shooting.

CENTRAL GAZA STRIP - Hamas's armed wing declared the central Gaza Strip a "closed military zone". Hamas gunmen intercepted three vehicles loaded with Fatah security men, and Hamas fighters seized a governate office.

BEIT HANOUN, GAZA STRIP - Israeli air craft attacked a rocket launching site in northern Gaza after rockets were fired from Gaza into Israel. No one was injured in the air strike.

SDEROT, Israel - A rocket fired from Gaza landed in the Israeli border town, slightly wounding three people. The Islamic Jihad militant group claimed responsibility for the rocket attack.