X user @mi_shelle_ posted a video which shows the scene after the trams collided. You can watch the video @mi_shelle_ posted below:
Credit: @mi_shelle_ (X)
As you can see in the above video, one tram crashed into the front carriage of another tram.
Approximately 11 hours ago, a Reddit thread called ‘Anyone know why the trams stopped running? (Sunday night) was started. You can read the short thread here.
FYI: The information was posted in a thread on the fan-run Disneyland community page on the social media platform.