U.S. Homeland Security Secretary Kristi Noem said air travelers starting Wednesday who do not have enhanced ID cards may face enhanced security procedures but will not be denied access to flights.

On Tuesday, a day before a long-forecasted mandate, Secretary of Homeland Security Kristi Noem said that a Real ID will not be required to fly on commercial air

REAL ID requirements for those flying within the United States begin Wednesday after nearly 20 years of delays.

The US government is offering migrants who are in the country illegally a sum worth $1,000 (£751) and paid travel if they decide to leave the US. "Self-deportation is the best, safest and most cost-effective way to leave the United States to avoid arrest,

The incentives are part of a broader effort by the Trump administration to push unauthorized immigrants — with both sticks and carrots — to leave the U.S.