Attack on a police checkpoint in Russia's North Caucasus leaves 2 police, 5 gunmen deadStuart Skinner gets 1st postseason shutout as Oilers beat Kings 1A Chinese storm chaserTer Stegen stuck in goalkeeper's purgatory in Germany teamBrunei welcomes 1st Chinese tourist group in 3 yearsMacao further eases inbound travel restrictionsChina's air passenger trips to reach 9 million during May Day holidayRevival of vinyl records spares a 77Mainland ready to provide aid to quakeHarbin war museum sees soaring visits