Xi, Tillerson seek stronger ties as N. Korea hails rocket progress

Chinese President Xi Jinping and US Secretary of State Rex Tillerson pledged in talks on Sunday to work to strengthen a relationship strainedby disputes over North Korea and trade.Xi met Tillerson in Beijing just hours after nuclear-armed North Korea tested the US-China relationship anew by announcing a provocative rocket engine trial, and with delicate negotiations under way for a Xi summit with President Donald Trump.