The men shouted something about the dragon being of lightning powers, seeming prepared for everything then then brought out some sort of lightning rods to catch the electricity. They then continued to set up the net guns if Edward didn't settle, and the man who had Will cocked a gun to his head threatening to shoot.
They were obviously going to go to any lengths and obviously not going to give up until they had what they wanted, a dangerous situation for Will and Edward if they didn't take the right actions.