As of Wednesday November 29th, there are reports that North Korea has created a new ICBM that was test fired Wednesday morning.
This new missile is being called the Hwasong-15 which is significantly larger then the Hwasong-14 which was test fired over Japan twice back in July 2017.
Hwasong-15
Comparison of the Hwasong-15 (left) and the Hwasong-14 (right)
Not only is this new missile significant larger then it's predecessor it was also retrofitted with a new engine system with multiple stages to help guide the missile to it's target.
For more information about this news you can find more here: http://www.cnn.com/2017/11/29/asia/north-korea-hwasong-15-missile/index.html