The Nigerian insurgent group Niger Delta Avengers (NDA) which has claimed attacks on oil facilities that have slashed Nigeria’s output to the lowest level in 27 years said it’s not in talks with the government, a day after the authorities said they were preparing for dialogue, Bloomberg reported.

“If the government is discussing with any group they’re doing that on their own,” the group called the Nigeria Delta Avengers said in a post on Twitter from an account claiming to represent them and whose authenticity couldn’t be confirmed by Bloomberg. The group also said the group blew up an oil well known as RMP 20, belonging to the Chevron corporation in the Warri North area, at 1 a.m. local time, Voice of America wrote.

The government said earlier that military operations would be scaled back in parts of the oil-rich Niger River delta where oil facilities have come under attack as it works with regional governors toward talks with militants. The decision was taken at a meeting between governors from states in the region, security officials and Vice President, Yemi Osinbajo, according to a statement from the presidency.