The man arrested at the event attended by President Trump has been named in US media as Cole Tomas Allen from California.
Police are searching for a man recently released from prison over her disappearance.
Global acclaim and domestic political gains have defined Mark Carney's first year as Canada's PM. He now faces pressure to deliver on his bold promises.
Political violence has escalated in Colombia ahead of next month's presidential election.
A wave of coordinated attacks by jihadist militants and separatists has spread through the country.
Regular service by an electric passenger ferry linking Tokyo's Nihonbashi and Toyosu began on April 26. It marks Japan's first scheduled service using a fully electric passenger vessel operated by a private company. (News On Japan)
The Nikkei Stock Average rose by more than 1,100 points at one stage in trading on the Tokyo Stock Exchange on Monday. Following gains in semiconductor-related shares on the New York market on June 24, buy orders flowed into AI and chip-related stocks in Tokyo, lifting the Nikkei back above the 60,000 level. (News On Japan)
The US president says he saved eight Iranian women from execution, but Iran says otherwise.
The suspect is expected to be charged with assault of a federal officer and using a firearm during a crime of violence, officials have said.
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