The American Hotel & Lodging Association, whose members include Marriott and Hilton, said workers have received panic buttons and anti-harassment training.
A search of Rodolfo Montoya's home turned up assault-style rifles, high-capacity magazines and hundreds of bullets, officials said.
InterContinental Hotels Group, which owns some 5,600 hotels, is phasing out single-use bottles to reduce plastic waste, and it's not alone.
Unite Here just won four union elections at Marriott properties, victories it traces in part to the 2018 work stoppage.
Thousands of workers reached an agreement with the nation's largest hotel chain after a multi-city, nine-week strike for better pay and protections.
The hotel chain's investigation found that an unauthorized party had copied and encrypted information from its Starwood Hotel brand's guest database since 2014.
Workers in Hawaii reached a deal on a new contract, leaving only California workers still on the picket lines.
The luxury hotel chain is silent over the alleged killing of Jamal Khashoggi as it gets ready to host a marquee event for the Saudi government.
More workers at the nation's largest hotel chain could join the work stoppage soon.
Unions in four cities -- and possibly more -- will be holding strike authorization votes that could lead to work stoppages at the world's largest hotel chain.