India, March 27 -- The US Embassy warned a key immigrant group about visa overstay. In a stern message issued earlier this week, officials said that overstaying could result in a 'permanent ban on traveling to the United States'. This comes as President Donald Trump's administration has paused processing of green card applications to 'do more vetting', CBS News first reported, citing sources.

The report added that the US Citizenship and Immigration Services (USCIS) asked its officials to suspend processing of requests for legal permanent residency submitted by immigrants granted refugee or asylum status.

Amid the uncertainty around visas and immigration, the US mission in Nigeria warned people about 'overstaying'.

"If you overstay your...