RIO DE JANEIRO, May 5 -- Lady Gaga has addressed reports of an alleged bomb plot targeting her record-breaking concert in Brazil over the weekend, saying she was unaware of any threats at the time.

"We learned about this alleged threat via media reports this morning," a representative for the popular US singer was quoted as saying to entertainment news outlet The Hollywood Reporter.

"Prior to and during the show, there were no known safety concerns, nor any communication from the police or authorities to Lady Gaga regarding any potential risks. Her team worked closely with law enforcement throughout the planning and execution of the concert and all parties were confident in the safety measures in place," the representative added.

The p...