Just Stop Oil have said they were not responsible for an incident at ex-chancellor George Osborne’s wedding, which saw a protester throw orange confetti over the newly married couple.
The protest was similar to those carried out by the environmental group.
But, a spokesperson told the BBC they did not know the protester’s identity.
The group had posted a clip from news agency PA on Twitter with the message: “You look good in orange George Osborne.”
In the video a woman in a smart floral dress approaches George Osborne and Thea Rogers as they leave the church and begins throwing confetti, taken from a union jack paper bag.