Xinhua world news summary at 0900 GMT, March 22

LIMA, March 21 -- Peruvian President Pedro Pablo Kuczynski submitted his letter of resignation to lawmakers on Wednesday, a day ahead of a scheduled vote on whether or not to impeach him.

In a nationally televised address, Kuczynski said he was unable to govern effectively due to the persistent allegations of corruption that have dogged him since his first months in office. (Peru-President-Resign)

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MALE -- Maldivian President Abdulla Yameen on Thursday lifted the state of emergency after a period of 45 days, stating the situation in the island country has now returned to normal, the President's Office said in a statement.

"Upon the advice of the Security Services and in an effort to promote normalcy, the President has decided to lift the State of Emergency," President Yameen's office said. (Maldives-State Emergency-End)

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YANGON -- U T Khun Myat was elected as the new speaker of Myanmar's House of Representatives in a session held in Nay Pyi Taw Thursday, according to parliament sources.

U T Khun Myat was former deputy speaker of the House of Representative, or lower house of parliament. (Myanmar-New Speaker-Election)

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RAMADI, Iraq -- The Islamic State militants on Thursday killed four border guards in an ambush near the Iraqi border with neighboring Jordan, a security source said.

The incident occurred after midnight when the extremist militants opened fire on the car carrying the border guards, who were in civilian uniform, and killed them all on the main road near Trebil border crossing with Jordan. (Iraq-IS-Death) Enditem