Trump threatens govt. shutdown in Sept if no funding for wall

US President Donald on Saturday threatened to shut down the federal government in September if Congress did not provide more funding to build a wall on the border with Mexico.

"That wall has started, we have 1.6 billion (dollars)," Trump said at a campaign rally in Washington, Michigan.

"We come up again on September 28th and if we don't get border security we will have no choice, we will close down the country because we need border security."