A videograb of the ill-fated bridge.
A suspension bridge in Mexico collapsed right during the grand opening after its renovation.
There were reportedly three deaths, but there was no official confirmation.
At least eight others were injured, including the local head and his wife, the police said.
Local media said Mayor José Luis Urióstegui, his wife and members of the press delegation are among those injured.
According to TMZ, the US Embassy in Mexico confirmed that singer Demi Lovato was one of the victims of the fall in Cuernavaca, Mexico.
A video shows the American singer Demi Lovato jumping on the bridge. Soon after it collapsed.
Preliminary investigation revealed that the collapse of the pass would have been caused by excessive weight, since at the time of the accident there were around 20 people crossing, including reporters and officials.
The media estimated that at least 10 people were injured, of which seven were transferred to hospitals in the state of Morelos.
The fall of the bridge occurred in the middle of the official act after the recovery of the Cuernavaca tourist site, in which, in addition to the mayor and his partner, members of the city council and press agents participated.