South Korean Defense Ministry has said that North Korea's nuclear test firing of a series of a new medium-range missile that was stronger on Wednesday by two missiles achieve a significant increase in flight distance shot had previously failed.

Both tests are believed Musudan missile medium-range beyond the fact that in theory would be able to go to the US military base far to Guam.

International Condemnation also comes just with the US, NATO and Japan called the shooting, an apparent violation of a decision ... And South Korea pledged to push for tough sanctions on Pyongyang.

Many measures of the UN Security Council... The existing ban North Korea from using technology, ballistic missile. The first test fired a little before 6 am is considered failed after being reported to fly a distance of about 150 km.. in the East sea (sea of ​​Japan) .

According to the Observatory of Japan said the second missile reached a height of 1,000 km.. And flew 400 km.. A long-distance tourism, which some experts say is calculated to avoid a violation of Japan's airspace.

Test Musudan missile failed 4 times of the year are exploded on mobile launchers after firing. A successful test will mark the big step forward for a weapons program ultimately aspire production capacity nuclear attack against the US mainland .

US State Department spokesman John Kerry has said the last shot will only increase the world efforts against Korea's illicit weapons program North.

In a statement, he said: 'We have raised our concerns at the UN... To support an international solution to North Korea was responsible for these acts of provocation.

Japanese state broadcaster NHK quoted Prime Minister Shinzo Abe said the missile tests such they can not be tolerated anymore, but NATO has condemned aggressively for the shooting.