Video seized by Israeli investigators, showing a wedding party celebrating the death of a Palestinian baby, is sparking outrage in Israel.
In the video, a Jewish zealot is seen stabbing a knife at the picture of 18-month-old Ali Dawabsheh, who was killed in a West Bank arson attack in July.
The boy and his parents died when their home was set ablaze in the village of Duma.
Israeli officials described the incident as "Jewish terrorism."
The toddler's grandfather, Mohammad Hamoud, learned about the video... and was at a loss for words.
Israeli Prime Minister Benjamin Netanyahu said the wedding video shows the "true face" of a group that's dangerous for Israeli society.
Israeli Foreign Minister spokesman Emanuel Nahshon called the incident "disgusting".
"The people of Israel strongly reject and condemn the celebration of murder which took place in a wedding of extreme right Israeli activists,” said Israeli Foreign Ministry Spokesman, Emanuel Nahshon.
Israel has hinted that indictments may be imminent in the arson case -- which contributed to the outbreak of the worst Palestinian street violence in years.
Police also say they are investigating whether the actions at the wedding -- which Israel's Channel 10 says took place in Jerusalem last week -- constituted an incitement to violence.