US President Joe Biden on Tuesday will order a major review of asylum processing at the US-Mexico border and the legal immigration system as he seeks to undo some of former president Donald Trump's hard-line policies, two senior administration officials said on Monday evening.

Biden on Tuesday will also create a task force to reunite migrant families who were separated at the US-Mexico border by Trump’s 2018 "zero-tolerance" border strategy, the officials said on a call with reporters...