"Not my president" was a rallying cry being called out across America on Wednesday night.

Thousands of U.S. citizens opposed to Donald Trump have taken to the streets, after it was announced the Republican candidate had won the U.S. election. From west to east and even across the seas, major cities are seeing people turn out in droves.

SEE ALSO:This is how the world leaders reacted to Trump's election

Tens of thousands of protesters have hit the streets of some of the nation's cities, and there was protesting in London, UK.

A protester carries an upside down American flag, often seen as a symbol of distress.Credit: AP

In New York City, 6th Avenue has been reportedly closed down, as people move between Trump Tower and Union Square.

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There have been no confirmed reports of rioting or arrests, although at least one group of people were seen burning a U.S. flag.

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Credit: Getty Images

At least a thousand protesters are marching through Chicago, after gathering outside Trump Hotel and Trump Tower downtown. Police have also closed roads in the area, according to Al Jazeera.

Office workers show their support for protesters marching along Sixth Avenue.Credit: AP

"No Trump! No KKK! No racist USA," and "Say it loud! Say it clear! Refugees are welcome here!" are among the chants rising above crowds in the cities.

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But even in other places, from San Francisco to Los Angeles, Portland and Seattle, to Boston where an estimated 10,000 people have gathered -- "Not my president!" is the stand-out message from protesters.

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People all over are uploading videos of the rallies as they unfold. And the night is still relatively young.

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Here's just some of the scenes captured around the country (and the world).

Boston:

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Portland:

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California:

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Chicago:

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Seattle:

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London:

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BONUS: Mixed reactions to Trump's win

TopicsActivismDonald TrumpNew York City

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