The United States has reportedly deployed stealth fighter jets to South Korea as part of ongoing joint military exercises between the two nations.
North Korea has abruptly cancelled United Nations Secretary General Ban Ki-moon's visit a day before he was due to arrive.
Hundreds of North and South Koreans were reunited with family members for the first time in 60 years.
External Affairs Minister Sushma Swaraj on Monday conveyed India's security concerns to her North Korean counterpart Ri Su Yong in New Delhi, emphasising the significance of peace and stability in the Korean peninsula for the country.
The PM also welcomed South Korea's efforts to maintain peace and stability of the Korean Peninsula.
Trump told reporters that US and South Korea are facing the threat of reckless and brutal regime of North Korea.
Wang and Swaraj also discussed issues relating to annual BRICS summit which will be hosted by India in Goa in October.
The Russians had appealed their exclusion from the Games by the International Olympic Committee (IOC) over the doping scandal from the 2014 Sochi Games.
Spread over two days -- Friday and Saturday -- at a picturesque desert resort in Southern California, Obama, 51, and Xi, 59, had several rounds of meetings and a candle-lit dinner spread over nearly eight hours on a range of bilateral, regional and global issues.
Admiral Samuel J Locklear III, Commander of the US Pacific Command, has not ruled out militants fighting in Afghanistan today switching their attention back to Kashmir post-US and NATO withdrawal of its troops from Afghanistan, and expressed concern over the recent terrorist attacks across the Line of Control that has exacerbated tensions between India and Pakistan.
