North and South Korea's leaders have pledged to improve relations and resumed previously suspended communication channels between the two countries, per Reuters.

Details: South Korean President Moon Jae-in and North Korean leader Kim Jong-un agreed to "restore mutual confidence and develop their relationships again as soon as possible," South Korea's Blue House spokesperson Park Soo Hyun said in a televised briefing, AP notes.

• This followed an exchange of letters between the two leaders since April.

Go deeper: Kim Jong Un says prepare for "dialogue and confrontation" with U.S.

Editor's note: This a breaking news story. Please check back for updates.