The Pentagon has told Congress that it has authorised the transfer of $1 billion to begin the construction of the wall on the US-Mexico border.
This is the first money allocated through the national emergency Trump declared at the southern border in February, in order to obtain funding for his signature campaign pledge.
Kate Fisher reports from Washington:

Russian air strikes kill 10, injure more than 50 in Ukraine's Kyiv
Firefighters battle wildfire in southern France
US, Iran talks conclude in Doha, focused on Strait of Hormuz
Trump honours Theodore Roosevelt in North Dakota, debuts new Air Force One
Kenyan court charges 8 schoolgirls with fellow students' murder
At least 5 people killed in fire in Antwerp apartment block
Three people die in Mexico World Cup celebrations as fans crowd streets
After Venezuela quakes, citizens lead rescues amid military theft accusations
