When Boris faced a full frontal assault at Mayor's Question Time over police station closures, he said:
It's my job to ensure we have better policing in this city and bring down crime.
He defended pop-up front counters as "creative solutions for the police estate", adding that there was no final plan. But he did say that when there is an agreed proposal "of course I will front that up".
Labour Assembly members claim police chiefs are being bounced into agreeing closures without proper consultation.
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After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.