T-Mobile US Inc.’s network was among those recently breached by Chinese hackers in an attack on multiple telecommunications companies, the Wall Street Journal reported.

François Chollet, a leading figure in the AI world, is leaving Google after close to a decade. In a post on X, the 34-year-old French developer said he's starting a new company with "a friend," but he declined to reveal many details. "I'm very grateful for my decade at Google," Chollet wrote in the post.

Chinese-linked hackers accessed surveillance data meant for U.S. law enforcement after infiltrating the networks of several telecom companies, according to a statement from U.S. authorities on Wednesday.