With the international community distracted by the new Middle East conflict between Israel and Iran, ongoing bloodshed in Gaza is drawing less attention.

GENEVA (Reuters) -World Health Organization officials said that it had received reports of a mass casualty incident on Tuesday that affected people waiting for food supplies, saying that initial reports point to at least 20 fatalities.

The violence in Khan Younis adds to a string of attacks that have killed hundreds of desperate people seeking food.

The U.N. human rights chief says Israel’s warfare in Gaza is inflicting “horrifying, unconscionable suffering” on Palestinians and has urged government leaders to “wake up” and exert pressure on Israel’s government and Hamas to end it.

Videos and images verified by NBC News piece together a picture of the deprivation and chaos of Gaza's hospitals.

The Global March to Gaza is a civilian-led initiative to march from Arish, Egypt, to the Rafah border crossing with the Gaza Strip beginning on Sunday. Once in Rafah, the goal was to set up a camp and work to break the Israeli blockade of Gaza, provide humanitarian aid to the strip and protest against Israel's actions in the territory.

Witnesses say Israeli troops opened fire as crowds tried to reach Israeli- and U.S.-supported food distribution centers in Gaza.

New report from Centre for Media Monitoring finds widespread bias, as Alastair Campbell says 'those who shout loudest' shape agenda