Xinhua world news summary at 1530 GMT, April 23

YEREVAN -- Newly-elected Armenian Prime Minister Serzh Sargsyan said on Monday that he would resign from his post following days of street protests against him.

"In the current situation, there are several solutions, but I won't choose any of them," Sargsyan announced the surprise move in a statement released on the official website, referring to the large-scale anti-government protests mainly in the capital city of Yerevan. (Armenia-PM-Resignation)

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LONDON -- Princess Kate on Monday gave birth to a boy, her third child, who is the fifth in line to the British throne. The child is the second son of the Duke and Duchess of Cambridge.

Kate, 36, safely delivered a son around 11 a.m. local time in the Lindo Wing at St. Mary's Hospital, Kensington Palace announced. (UK-Royal Baby)

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MOSCOW -- Russian President Vladimir Putin and his French counterpart Emmanuel Macron on Monday agreed that the two countries will strive to resume the peace talks on Syria, the Kremlin said.

During a phone call with Macron, Putin called the recent western strikes on Syria "a gross violation of international law", which further complicated the process of a political settlement on the Syrian crisis, the Kremlin said in a statement. (Russia-France-Syria)

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SEOUL -- South Korea and the Democratic People's Republic of Korea (DPRK) reached an agreement on protocol, security and media coverage for the third inter-Korean summit later this week, the Blue House of South Korea said Monday.

Kwun Hyuk-ki, director of Chunchugwan, the Blue House press center, told a press briefing that the two sides finally agreed the issues after holding three rounds of working-level dialogues. (SKorea-DPRK-Agreement) Enditem