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:

Trump says Iran 'can call', as Iranian FM returns to Pakistan
Ukraine marks 40th anniversary of Chernobyl disaster
Trump and his officials 'likely targets' of shooting
Israel issues evacuation warning for seven south Lebanon towns
Japan deploys 1,400 firefighters to battle raging wildfires in the north