A US judge delivered a blow Saturday to Minnesota's bid to force Immigration and Customs Enforcement to suspend its sweeping detention and deportation operation in the state that has left two US citizens dead and fueled massive protests.

But while the federal court denied the state's bid to immediately halt the operation, a judge in a separate case delivered a stinging rebuke of the government and ordered authorities to release a five-year-old Minnesota boy and his father who were detained during the immigration crackdown.

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