Cardi B calls off concert due to 'security threat'

Los Angeles: Rapper Cardi B has cancelled her Indianapolis concert, citing a "security threat".

In a post on Twitter, the 26-year-old singer apologised to her fans for the cancellation and said the police is investigating the threat.

"Dear Indiana people I'm so sorry for today. I will like to let you know I was at the venue I was even rehearsing a new move I been excited to do on my show. Unfortunately there was a security threat that is currently under investigation right now. My safety and your safety first," she tweeted.

The Indianapolis Police Department said the threat was "unverified" and there was no known cause for alarm.

"This evening, there was a scheduled concert at Bankers Life. We were notified of an unverified threat to the artist and the artist cancelled this evening's concert – there is no immediate threat to public safety, this not an active incident. Ongoing investigation #IMPDNow" the police tweeted.

The organiser, Bankers Life Fieldhouse, said the concert has been rescheduled to September 11.

The Indiana show was to be the fifth of sixth arena shows she is doing on a mini-tour, amid festival dates.