Palestinian national and Islamic factions accused Israel of involving in the assassination of Omar el Nayef, the Palestinian who was found killed on Friday near the Palestinian Embassy in Bulgaria.

Hamas held Israel responsible for assassinating Nayef, calling upon the Palestinian Authority to effectively deal with it.

Meanwhile, the Popular Front for the Liberation of Palestine (PFLP) strongly condemned Nayef's assassination.

It also accused Bulgarian authorities and the Palestinian Embassy of not providing enough protection for Nayef. The group said Bulgaria was previously awareof Israeli threats to him. 

The Islamic Jihad Movement said that Israel held full responsibility for the assassination crime.

Earlier on Friday, Palestinian President Mahmoud Abbas ordered forming a panel to investigate the killing of Nayef.

Nayef was detained by Israel in 1986, but he fled to Bulgaria where he got married and had three children.

Source: MENA