Sadiq Khan
He also said he won't be rolling out the red carpet for Donald Trump.
'We deserve better than empty promises from Sadiq Khan and TfL.'
But London Mayor unhappy 'commissioners' not ordered in.
Khan was at the funeral of Syrian refugee Mohammed Alhajali, who died in the inferno.
'It's vitally important that we tackle the problem'.
Solidarity with Muslim worshippers.
'Terrorism is terrorism'.
"Don't Do It' - Mayor of London in most stark warning yet:
More than 120,000 events were held across the country in memory of MP.