NABLUS, May 18, 2004, (WAFA) - Israeli Occupation Forces (IOF) killed Tuesday one Palestinian citizen and arrested two others in the West Bank city of Nablus. One civilian was wounded in Tulkarem and three others were arrested in the Refugee Camp of Qalandya, Palestinian medics, security sources and witnesses said.... Medical sources in Nablus told WAFA that Nidal 'Okasha 24, was instantly killed early on Tuesday after having been shot with a live gunshot in the heart.... Witnesses said that Israeli armoured vehicles swept into Nablus and opened intensive fire at houses killing 'Okasha and damaged several houses.... Two other citizens were also arrested in the Israeli incursion. Security sources said that Israeli troops deployed in different parts of the city and arrested two citizens in the Old City of Nablus.... Earlier in Tulkarem, Israeli troops shot and wounded one citizen in the city of Tulkarem, witnesses said.... They added that Israeli undercover units and military forces penetrated into al-Jallad neighbourhood and fired at Shaher Abu Hatto.... They added that Israeli soldiers stormed the two houses of Abdulhakim Abu Safiya and Mahdi Tanbouz, searching them provocatively.... In the Refugee Camp of Qalandia, near Jerusalem, one Palestinian citizen was arrested by IOF early on Tuesday, Palestinian security sources said.... The sources said that at least 20 armoured vehicles incurred the camp amide intensive fire and launched a house-to- house search campaign, arresting Mohemmed Abdulnabi," security official told WAFA.... Witnesses said Israeli soldiers blew up the doors of stores and shops and ransacked them....