The US reopened high-level engagement with Burma on Tuesday after a 14-year freeze, giving the clearest expression yet to President Barack Obama's promise to re-engage with regimes his predecessor treated as pariah states.

Kurt Campbell, the US assistant secretary of state for east Asian and Pacific affairs, arrived in the Burmese capital, Naypyidaw, on Tuesday morning for a two-day visit during which he will meet government officials, opposition leader Aung San Suu Kyi and representatives of the country’s ethnic minorities