A San Francisco cable car crash injured 15 people on Monday, prompting an investigation.

A San Francisco cable car stopped abruptly Monday afternoon, injuring 15 people, according to the San Francisco Fire Department. Injuries ranged from minor to moderate, with two individuals hospitalized and 11 treated for aches and pains. The San Francisco Municipal Transportation Agency confirmed it is investigating the incident but has not released a cause. The historic cable car system, a National Historic Landmark since the 1960s, operates without seat belts and remains a popular tourist attraction. No fatalities were reported, and the system continues to operate with adjustments.