North Korea fired two unidentified projectiles from the eastern coastal city of Wonsan on Monday, South Korea's defence ministry said.
"The military is monitoring for additional launches and maintaining readiness," said South Korea's Joint Chiefs of Staff.
They were unable to confirm how far the projectiles flew or whether it was ballistic or rocket artillery.
The launches come just days after North Korea's Kim Jong-Un oversaw military drills.
At least 14 killed in explosion at weapons depot in Syria
At least 14 people were killed and 11 wounded on Wednesday in an explosion at a temporary site used to store weapons and remnants of war near the Syrian city of Sarmada in Idlib province, state television reported.
US hits five Iranian oil tankers after attack on Navy ships
The United States has destroyed five Iranian oil carriers on Tuesday after the Islamic Revolutionary Guard Corps (IRGC) targeted its navy warship with ballistic missiles "twice over the past two days".
UK gives air traffic provider a week to probe outage that halted flights
Britain's NATS air traffic control provider has a week to investigate the systems failure that halted flights and stranded hundreds of thousands of passengers, the government said, as pressure mounts on its chief executive.
Serbia's President Vucic dissolves parliament, calls snap elections
Serbia's President Aleksandar Vucic on Wednesday dissolved parliament and announced snap elections for next month as he seeks to extend his hold on power by running for prime minister.
With large crowds attending, Norway lays King Harald to rest
Norway's King Harald Vwas being laid to rest on Wednesday, in a series of ceremonies marking the culmination of 13 days of national mourning following his death at the age of 89.
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