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AURORA, Colo. — The Aurora Police Department investigated threatening notes left at a nonprofit that works with refugees Thursday.

Two typewritten letters threatened to blow up “all of you refugees.” They were found in the parking lot and stairwell by an employee at the Mango House at 1532 Galena St.

The bomb threat came on the same day a refugee rally was held near the steps of the Colorado State Capitol, and the same week an executive order is expected to be signed by President Donald Trump that would implement drastic restrictions on immigration and refugee admission into the United States.

Dozens of people at the rally, many of them refugees, held signs and sang songs.

“I thought America would be great again when allowing refugees to come in,” South Sudanese refugee Karak Miakol said. “Without refugees, listen to me, without refugees there is no great America. “I flee my country. I am a human rights activist.”

Two years ago, Miakol said she was captured and tortured by the Sudanese government.

“I was captured during my campaign about gender race violence in one of the refugee camps,” she said.

Forced to flee, she was brought to Denver, but had to leave her six young children behind.

“I was worried, not only for my children, for many, many children, many, many remarkable refugees,” she said.

Earlier this week, Miakol said she was told her kids were going to be granted visas to join her in Denver. That decision is now uncertain because of an executive order expected to be signed by Trump that would dramatically restrict refugees from a number of countries such as Syria, Iraq and Sudan.

“We are allowing hatred to happen,” she said.

According to the draft executive order, Trump plans to block refugee admissions from Syria indefinitely, suspend refugee admissions from all countries for four months and cap total refugee admissions at 50,000 for the 2017 fiscal year.

Denver nonprofit organizations that work with refugees say they will continue to fight to make Colorado a safe place for them all.