The sinking of a migrant boat off the coast of Greece may have been the deadliest of modern times.

An undetermined amount of people numbering in the hundreds remained missing and were likely killed when the migrant vessel sank earlier this week. 

"We don’t have all information yet on what has happened but it seems like this is the worst ever tragedy we’ve seen in the Mediterranean," EU Commissioner for Home Affairs Ylva Johansson told a press conference in Brussels on Friday.

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The migrant boat was traveling from Tobruk, Libya, to Italy when it capsized in the ocean off the coast of Greece. 

Such a massive loss of life has sparked outrage in Europe over the ongoing migrant crisis as foreign nationals continue to take extremely dangerous voyages to the continent.

Johanssan decried the overpacked boat organized by "smugglers." 

"They are not sending them to Europe, they are sending them to death," said Johansson. "This is what they’re doing, and it’s absolutely necessary to prevent it."

Rescue services have saved over 100 passengers and recovered approximately 79 bodies thus far.

However, survivors claim there were as many as 750 people on the boat when it went under. 

Leaders from several African countries arrived in Russia on Saturday as part of their ongoing "peace mission." 

The presidents of Comoros, Senegal, South Africa and Zambia joined with the prime minister of Egypt and diplomats from Congo and Uganda for the trip. 

The diplomatic mission arrived in St. Petersburg for an audience with Russian President Vladimir Putin. 

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Putin is in the city for a business forum, where he spoke Friday about the deployment of tactical nukes to Belarus.

Africa has felt the economic toll of the Russia-Ukraine conflict, as much of their key food and fertilizer imports from the region have been disrupted.

The envoy of African leaders previously met with Ukrainian President Volodymyr Zelenskyy during the first leg of their two-prong peace mission. 

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"This conflict is affecting Africa negatively," South African President Cyril Ramaphosa said at a Friday news conference. "I do believe that Ukrainians feel that they must fight and not give up. The road to peace is very hard."

He added, "There is a need to bring this conflict to an end sooner rather than later."

The diplomatic group of African leaders represents countries with various policies toward the Russian invasion of Ukraine.

Egypt, Zambia, and Comoros voted to condemn Russia last year in a United Nations General Assembly. South Africa, Senegal, and Uganda have refrained from penalizing Russia.