An autopsy report released by Israel says Ziyad Abu Ein died from a blocked artery . He said that while Israeli doctors admitted the results , they did not sign the medical report . A Palestinian doctor said he choked on vomit brought on by tear gas grenades . A Palestinian official says Abu Ein was taking part in nonviolent protests . Israeli Prime Minister Benjamin Netanyahu vows to apologize .
An autopsy report released by Israel says Ziyad Abu Ein died from a blocked artery . A Palestinian doctor said he choked on vomit brought on by tear gas grenades . A Palestinian official says Abu Ein was taking part in nonviolent protests . Israeli Prime Minister Benjamin Netanyahu vows to apologize .