This could be it for Theresa May
The Sky political editor says they have met the threshold and there will be a vote on her leadership.
The headline sent cable down as low as 1.2502 so far from 1.2550 beforehand.
More soft confirmation:
Separately, a spokesman for Theresa May said today's meeting with Merkel was positive and that they agreed to stay in close touch in order to get the deal over the line.
The cable weekly charts shows the dive to new depths:
Update: There are denials.
Update 2: Back on?