The presidents of Indonesia and South Korea discussed on Monday the North Korean nuclear crisis and signed agreements on trade and the peaceful use of nuclear energy. South Korean President Roh Moo-hyun and his Indonesian counterpart, Susilo Bambang Yudhoyono, met for about 90 minutes in the capital of the world's most populous Muslim nation. Jakarta will continue to play «a constructive role» in resolving the crisis over North Korea's nuclear weapons program, a joint statement said. No details were available. The two leaders signed four bilateral agreements on nuclear energy, tourism, forestation and fighting corruption. After Indonesia, Roh travels to Australia, New Zealand and the Philippines, the Associated Press reported.