Not confirmed, but it looks that way.
http://www.iflscience.com/physics/gravitational-wave-rumors-running-hot
http://www.iflscience.com/physics/gravitational-wave-rumors-running-hot
Interesting. I've been listening to an audible book called: Einstein's Relativity and the Quantum Revolution and this topic was discussed.Not confirmed, but it looks that way.
http://www.iflscience.com/physics/gravitational-wave-rumors-running-hot