Claire confirmed it again. Gabriel was on his way to her son's house and he definitely wasn't going there for some merriment. According to the security personnel she had employed, Gabriel had purchased from a black market, explosives after he had trailed his way to Charles's house and the very hangar his private aircraft was usually kept whenever his work made him remain within London.
One thing was crystal clear though, Gabriel wasn't aware that Charles and Isabella weren't home and that made it all easy for her. She would be able to get a hold of the careless, vengeance driven man without much being lost.
In preparation, she had used her connection to evacuate the occupants around to a more conducive environment which happened without much complaint because, who doesn't like to have a taste of a better life once in a while?