>> David Cameron very much in the picture as he arrives in Brussels to explain himself. And he'll soon be very much out of it. The UK Prime Minister facing EU leaders on Tuesday for the first time since Britain voted to leave the block.>> I want that process to be as constructive as possible.
And I hope the outcome can be as constructive as possible. Because of course, while we're leaving the European Union, we mustn't be turning our backs on Europe. These countries are our neighbors, our friends, our allies, our partners.>> First up on his agenda. Meeting with Council President Donald Tusk.
Then a one-to-one with Commission President Jean-Claude Juncker. That get together could be even more awkward. Cameron tried to block Juncker's appointment back in 2014. The prime minister might get a slightly warmer reception from Angular Maco. The German Chancellor said on Monday she didn't want to put pressure on Britain to slow or accelerate its exit from the EU.
But she made clear there could be no formal or informal talks on a Brexit until London applies to leave. Reuters UK political correspondent is Kylie McClellan.>> I'm sure it will be a pretty humiliating experience for prime minister. It's not the outcome he wanted. He's had to resign as a result.
So facing those leaders who he spent so many months negotiating with for a better deal for Britain in the EU could be quite an embarrassing process.>> Cameron, though, is in no rush to invoke Article 50 of the Lisbon Treaty.>> And it will be for Britain, and Britain alone, to take.
>> Even so, after losing his big Brexit gamble and being forced to resign, Cameron is acutely aware his negotiating power has been greatly diminished. The day rounds up with a working dinner where he'll have to explain why the UK voted to leave, the PM hoping he doesn't choke on the chicken.