CHICAGO—Hundreds of thousands of people in the US and around the world rallied Thursday in May Day protests that united many in anger over President Donald Trump’s agenda from aggressive tariffs that ...

More than 400 people were arrested today in Istanbul during May Day protests. Part of the city was cordoned off by police to prevent access to Taksim Square.

Workers unions called for protests and marches across Istanbul on Thursday, May 1, despite the ban on public gatherings.