This could be the most heartbreaking image of the Israel-Gaza conflict yet

Palestinian youths list the names of the children killed during Israel's ongoing offensive in the Gaza strip in this image captured by Getty.

So far some 1,200 Palestinians and 55 Israelis have been killed in the conflict.

More: Israel bans radio broadcast that named children killed in Gaza

More: Here are far-right Israelis celebrating the death of children in Gaza