BEIJING (Reuters) - The United States and South Korea must produce new solutions for the current standoff on the Korean Peninsula, a senior North Korean military official said on Monday, warning that hostile policies towards Pyongyang would lead to serious consequences.

The remarks add to recent comments from Pyongyang expressing discontent at the lack of progress in its negotiations with Washington. This month North Korea issued a veiled threat about ending the freeze in long-range missile testing amid continued economic sanctions and pressure aimed at pushing it to give up its nuclear and ballistic missiles programmes.