Regional Mexican band Grupo Firme has been forced to cancel an upcoming festival appearance after allegedly being targeted by a drug cartel.

"We deeply regret informing you that the presentation of Grupo Firme for this March 1st at the Mazatlán Carnival is canceled," reads the statement shared on the band's Instagram

The finding of a human head in a plastic box next to a banner with a threatening message against the Mexican regional music band Grupo Firme sparked concerns among authorities in the border city of Tijuana.

Grupo Firme, a Mexican band, has received threats to refrain from playing in Sinaloa. The message featured a "blanket," term used for the banners used to write such messages in the country and also featured a severed head inside a cooler,