URGENT ¥¥¥ Kerry lands in Kabul on unannounced visit: AFP

US Secretary of State John Kerry landed in Afghanistan on Monday for an unannounced visit, with relations badly frayed by Kabul's recent hostility to US-led military efforts in the country.

"He will make clear that the US will have an enduring commitment in Afghanistan that will last beyond transition and that there were always be bumps on the road," a US official travelling with Kerry told reporters.