Seoul: North Korea on Monday fired three ballistic missiles into waters off its east coast, South Korea’s Joint Chiefs of Staff (JCS) announced.

The country test-fired the three ballistic missiles from Hwangju in North Hwanghae province at around 12.14 p.m., Yonhap News Agency reported citing JCS as saying.

The missile launches were the latest in a series of launches by the isolated North this year in violation of UN Security Council resolutions. The South’s military was trying to determine the type of missiles launched, a military official said. No other details were immediately available.

In July, the North launched three missiles in a single day from the western region that flew across the country and into the sea off its east coast, flying about 500 km and 600 km (300-360 miles). In 2014, the North fired two Rodong medium-range missiles just as Park and Japanese Prime Minister Shinzo Abe were sitting down with US President Barack Obama at the Hague to discuss responding to the North’s arms programme.