He was responsible for producing the al-Ba‘ath newspaper from Ramallah and also set up al-Jil al-Jadid, a literary periodical. In 1956 he was elected to Jordanian parliament as Ba‘ath member for Ramallah district. He did not serve out his term as a result of his expulsion from Parliament during the subsequent martial law period in Jordan. Expelled from West Bank by Israel in 1967, Nasser became editor of PLO newspaper, Filastin al-Thawra. In addition, at that time he became a member of PLO Executive Committee from February 1969 through July of 1971 serving as an official with the office of National Guidance.
Nasser was assassinated by IDF commandos in the 1973 Israeli raid on Lebanon (Operation Spring of Youth), on the night of April 9/April 10, 1973. One of the assassins was reportedly Ehud Barak, dressed up as a woman, who later became prime minister of Israel
The main auditorium of Bir Zeit University is named after him.
From the poem "Letter to Fadwa":
If my songs should reach you
despite the narrow skies around me,
remember that I will return to life,
to the quest for liberty,
remember that my people may call on my soul
and feel it rising again from the folds of the earth.