N Korea rejects US pact offer
North Korea has refused to sign a non-aggression pact that US secretary of state John Kerry offered last week on condition of denuclearisation.
In a statement carried by the North's official state media, the National Defence Commission spokesman said the US should stop sanctions meant to punish its nuclear test in February and provocations including military exercises on the Korean Peninsula.
Earlier this week, North Korea criticised joint two-day naval drills among the US, South Korea and Japan as preparations for attacking the North. The allies said these drills were defensive in nature.
During his trip to Japan, Mr Kerry said the door for negotiation with North Korea is open if it abandons nuclear weapons and complies with international demands.
The North's statement came as the mother of an American held in North Korea visited her son for the first time since the start of his 11-month detention.