The Pentagon is to cancel all US-Mexico border wall construction projects paid for using military funds

Former President Donald Trump ordered the diversion of billions of dollars in Pentagon money to pay for the barrier after being denied funding by Congress

President Joe Biden announced a halt to border wall construction after taking office in January

Trump launched his presidential campaign in 2015 with a pledge to build a wall along the US-Mexico border and to make Mexico pay for it

Mexico refused and so did the House of Representatives after Democrats took control in 2018

Trump ultimately bypassed Congress by dipping directly into Pentagon coffers, forcing the Defense Department to allocate billions of dollars for the project

President Biden's cancellation comes into effect as over 172,000 migrants were arrested in March - the highest figure in 20 years