Donald Trump's border wall

Trump wants asylum seekers to pay fee

Five numbers that explain US border crisis. Video, 00:03:07Five numbers that explain US border crisis

Trump's homeland security chief resigns

Trump no longer plans to shut border this week. Video, 00:01:11Trump no longer plans to shut border this week

The butterflies that could stop Trump’s wall

Dismay over Trump Central America aid cut

Trump threatens to shut Mexico border

US-Mexico border wall - made of cheese!

Pentagon authorises $1bn for border wall

Trump issues veto over border emergency

Senate revolts against Trump over border

Reaction to Trump's national emergency

House votes to block Trump border emergency

Security veterans rebuke Trump emergency

Trump tells California to return rail funds

US states sue Trump over border wall

Will Trump win his legal fight over the wall?

Trump faces legal battle on border wall

Trump defends emergency move on wall

Trump: 'I've signed - now we'll be sued' Video, 00:01:03Trump: 'I've signed - now we'll be sued'

A major land grab by Trump

Trump faces anger over wall emergency plan

How emergency powers could be used to build Trump's wall