Katy Perry accompanied the former Canadian Prime Minister Justin Trudeau at the World Economic Forum in Davos, Switzerland

Nearly 400 people who say they are "a person of wealth" signed an open letter calling for global leaders to increase taxes on the superrich.

Andhra Pradesh Chief Minister N Chandrababu Naidu on Wednesday proposed establishing an Israeli industrial park in the state during a meeting with the country's representatives and diplomats at the World Economic Forum in Davos, Switzerland.