(Adds Tallgrass' response)
Dec 19 (Reuters) - An investor group that includes Stonepeak Infrastructure Partners is in talks to buy oil and gas operator Tallgrass Energy LP, Bloomberg reported here on Wednesday, citing people familiar with the matter.
A final deal hasn't been reached and negotiations may fall apart, the report said.
Tallgrass declined to comment, while Stonepeak did not immediately respond to a request for comment. (Reporting by Vibhuti Sharma in Bengaluru; Editing by Arun Koyyur)