Palestinian authorities on Sunday condemned last Tuesday's suicide bombing attack against the Iranian embassy in Beirut and distanced themselves from one of the suspects in the bombing, a Palestinian refugee in Lebanon with ties to a fugitive Lebanese Islamist cleric.The Palestinian authorities said that Adnan Mousa Muhammad's participation "in such a cowardly criminal act represents (only) the individual," Ma'an News Agency reported. "This act serves only the enemies of our cause and the enemies of our nation," they added.The Palestinian leadership underlined its "support to the Lebanese leadership in fighting the criminal groups" that do not represent any national group or religious creed, Ma'an reported. Palestinian leadership also sent condolences to the families of the 23 victims that were killed in the report, according to the report.Muhammad's family reacted to the news by condemning their son's involvement in the attack and praising Iran for its "consistent support for the Palestinian cause," Ma'an reported. The victims of the twin blasts at the embassy including the Iranian cultural attache who died in the attack. The blasts wounded 146 individuals. A Lebanese group linked to al-Qaida, the Abdullah Azzam Brigades, claimed the bombings and threatened more attacks if Iran did not end its involvement in the 2-1/2-year-old Syrian conflict. Reuters contributed to this report.