Twitter Inc's new owner Elon Musk on Thursday raised the possibility of the social media platform going bankrupt, capping a chaotic day that included a warning from a U.S. privacy regulator and the exit of the company's trust and safety leader.

The billionaire on his first mass call with employees said that he could not rule out bankruptcy, Bloomberg News reported, two weeks after buying it for $44 billion.

Yoel Roth, who has overseen Twitter's response to combat hate speech, misinformation and spam on the service has resigned, as well as the company's Chief Information Security Officer Lea Kissner.

Chief Privacy Officer Damien Kieran and Chief Compliance Officer Marianne Fogarty also resigned, according to an internal message posted to Twitter's Slack messaging system on Thursday by an attorney on its privacy team and seen by Reuters.

The U.S. Federal Trade Commission said it was watching Twitter with "deep concern" after the three privacy and compliance officers'quit. These resignations potentially put Twitter at risk of violating regulatory orders.

Musk ruthlessly moved to clean house after taking over on October 27 and has said the company was losing more than $4 million a day, largely because advertisers started fleeing once he took over.

Twitter has $13 billion in debt after the deal and faces interest payments totaling close to $1.2 billion in the next 12 months. The payments exceed Twitter's most recently disclosed cash flow, which amounted to $1.1 billion as of the end of June.

Musk has begun charging $8 a month for the Twitter Blue service that will include a blue check verification.

(Source: Reuters with edits)