Avélica was released Aug 30 after almost six months in immigration detention.

If there is a silver lining to Hurricane Harvey it is surely the remarkable rescue stories and acts of courage and kindness that have emerged. Here are a few examples of how immigrants have helped Houston – and everyone watching the city – cope with catastrophe.

The program was established in 2012 by President Barack Obama to protect certain undocumented immigrants from deportation.

America's 4th largest city remains largely under water with thousands rescued and evacuated from their homes to shelters. This is how Houston looks before and after one of the nation's worst natural disasters. Slide the cursor over the images to compare the photos.

Despite poor relations between the U.S. and Mexico, Texas' neighbor to the south is offering vehicles, food, medicine and water. The State Department thanked Mexico for its "very generous" offer.

Heavy flooding in Houston has trapped members of one community in their homes – either for fear of venturing outside or because they cannot be rescued.