Sri Lanka's police and military troops forcibly removed anti-government protesters camped outside the presidential office in Colombo in a pre-dawn raid on Friday on the order of the country's new President.

• Video: Ups and downs of Shinzo Abe

Protesters celebrated in Sri Lanka's commercial capital late into the night Thursday after President Gotabaya Rajapaksa tendered his resignation following a week of escalating demonstrations over the country's crippling economic crisis.

More than 50 US and Japanese warplanes flew over waters near Japan this week as the two allies put on a show of force amid rising tensions in the region with China and Russia.

• Sri Lanka's crisis rages on. Here's what we know

• What's next for Sri Lanka? • Video: See protesters enjoy luxuries in presidential palace

When Akie Matsuzaki married Shinzo Abe, then a rising political aide, in 1987, she followed a path well trodden by Japanese wives and gave up her job at the country's largest advertising agency.