Millions of people took to the streets on Saturday to protest Israel's ongoing massacres in the blockaded Gaza Strip, as U.N. chief Antonio Guterres called for an immediate "humanitarian cease-fire," demanding "action to end this godawful nightmare" as Israel issues warnings to evacuate hospitals, targets other civilian infrastructure, leaving civilians with nowhere safe to escape.

People participate during a large pro-Palestine protest in downtown Atlanta, Georgia, USA, Oct. 20, 2023.

Demonstrators hold placards during a protest in solidarity with Palestinians in Gaza, in Duesseldorf, Germany, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

A woman yells at a protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

A woman wearing a Palestinian flag takes part in a protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

A demonstrator holds a sign, at a protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in Duesseldorf, Germany, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

Demonstrators protest in solidarity with Palestinians in Gaza, in London, Britain, Oct. 21, 2023.

People participate in a pro-Palestinian rally in front of the Israeli Embassy, in Bangkok, Thailand, Oct. 21, 2023.

People participate in a pro-Palestinian rally in front of the Israeli Embassy, in Bangkok, Thailand, Oct. 1, 2023.

People participate during a large pro-Palestine protest in downtown Atlanta, Georgia.

People participate during a large pro-Palestine protest in downtown Atlanta, Georgia.

People participate during a large pro-Palestine protest in downtown Atlanta, Georgia.

People take part in a protest organized by South African Jews for a Free Palestine to protest in support of Gaza in Cape Town on Oct. 20, 2023.

Candles are lit as people take part in a protest organized by South African Jews for a Free Palestine to protest in support of Gaza in Cape Town on Oct. 20, 2023.

Demonstrators rally to support Palestine in central Bishkek on Oct. 21, 2023.

Demonstrators rally to support Palestine in central Bishkek on Oct. 21, 2023.

Demonstrators rally to support Palestine in central Bishkek on Oct. 21, 2023.

People take part in a pro-Palestinian rally organized by the Palestine Solidarity Network Aotearoa (PSNA) in Christchurch on Oct. 21, 2023.

People take part in a pro-Palestinian rally organized by the Palestine Solidarity Network Aotearoa (PSNA) in Christchurch on Oct. 21, 2023.

People take part in a pro-Palestinian rally organized by the Palestine Solidarity Network Aotearoa (PSNA) in Christchurch on Oct. 21, 2023.

Ankara Palestine Solidarity Platform supporters leave effigy child corpses and Israeli flag stained with fake blood to draw attention to tje high number of children killed by Israel in front of the U.S. Embassy in Ankara, Oct. 21, 2023.

A Palestinian flag was hung on the historic Gaziantep Castle in solidarity with Palestinians

The Palestinian flag reflected on the famous 29-meter-tall tea glass statue in the Black Sea province of Rize, Türkiye

Protesters rally in solidarity with Palestine in Finland's capital Helsinki, Oct. 21, 2023.

Protesters rally in solidarity with Palestine in Finland's capital Helsinki, Oct. 21, 2023.

Protesters take part in a Palestine solidarity rally in Kosovo's capital Pristina, Oct. 21, 2023.

Women take part in a silent sit-in protest against Israeli attacks on Gaza, in Kastamonu province, Türkiye

Protesters take part in Palestine solidarity rally in Liege, Belgium, Oct. 21, 2023.

Palestine rally in Türkiye's Samsun province, Oct. 21, 2023.

Protesters rally in solidarity with Palestine in Finland's capital Helsinki, Oct. 21, 2023.

Hundreds of people take part in Palestine solidarity rally in Karachi, Pakistan, Oct. 21, 2023.

Palestine solidarity rally in Warsaw, Poland, Oct. 21, 2023.

Palestine solidarity rally in Warsaw, Poland, Oct. 21, 2023.

Palestine solidarity rally in Mombasa, Kenya, Oct. 21, 2023.

Palestine solidarity rally in Mombasa, Kenya, Oct. 21, 2023.

Palestine solidarity rally in Xanthi (Iskeçe), in Western Thrace region, Greece, Oct. 21, 2023.