Displaced Syrians wait in a makeshift camp to cross the Jordanian border on July 1, 2018.

Displaced Syrians wait in a makeshift camp to cross the Jordanian border on July 1, 2018.

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At least 270,000 Syrians flee latest deadly regime offensive

At least 270,000 Syrians -- more than the population of Orlando, Florida -- have fled their homes in southwest Syria since the government launched an offensive against rebels more than two weeks ago, according to the UN Refugee Agency (UNHCR).