Donald Trump backs Kristi Noem as calls mount to fire homeland security chief – live

US president says Noem is doing a very good job' amid growing criticism of administration's immigration crackdown after two US citizens were killed

• Border patrol commander to leave Minneapolis after shooting of Alex Pretti

Melania Trump has called for unity" in the wake of the fatal federal law enforcement shootings of US citizens Renee Good and Alex Pretti in Minneapolis and widespread peaceful protests this month.

Asked about the tensions in Minneapolis on Fox News this morning, the first lady said:

We need to unify. I'm calling for unity. I know my husband, the president, had a great call yesterday with the governor and the mayor, and they're working together to make it peaceful and without riots.