The US Department of Transportation has fined American Airlines $50 million for violating the rights of people with disabilities, including unsafe physical assistance resulting in injuries and undignified treatment of wheelchair users.

The Transportation Department on Wednesday slapped American Airlines with a $50 million penalty over breaking federal laws protecting the disabled, particularly those using wheelchairs.

The U.S. Department of Transportation penalty against American Airlines comes after "numerous serious violations of the laws protecting airline passengers with disabilities" over a four-year period.

The Transportation Department issued the fine after an investigation revealed “cases of unsafe physical assistance that at times resulted in injuries and undignified treatment of wheelchair users.”

The Department of Transportation fined American Airlines $50 million for its mistreatment of disabled passengers and mishandling their wheelchairs.

The U.S. Department of Transportation on Wednesday announced a $50 million fine against American Airlines for its alleged mistreatment of passengers with disabilities, which the department said in some cases caused injuries.

American Airlines was levied a massive fine by the Department of Transportation over alleged breaches of airline passenger disability regulations for wheelchairs.

The U.S. is fining American Airlines $50 million for failing to provide wheelchair assistance to passengers with disabilities and damaging thousands of wheelchairs.