North Korea fired what appeared to be multiple rocket launchers Sunday, Seoul said, the latest in a series of provocations by the nuclear-armed nation to heighten tensions in the region.The South Korean military detected &flight trajectories& that were suspected to be shots from North Korean artillery, Seoul's Joint Chiefs of Staff said.Our military spotted flight trajectories that are suspected to be North Korea's multiple rocket launchers from around 18:21 to 18:37 pm today,& said the Joint Chiefs of Staff in a text message to reporters, the US Defense Post reported.Our military has strengthened surveillance and vigilance, and maintained a thorough readiness posture while keeping close US-South Korea cooperation,& it added, without further details.Seoul authorities did not share how many trajectories were detected in total.North Korea has carried out a blitz of sanctions-busting weapons tests this year, including firing an intercontinental ballistic missile at full range for the first time since 2017.The post North Korea fires suspected rocket launchers first appeared on Ariana News.