The Metropolitan Police Commissioner, Bernard Hogan-Howe, today vowed to stamp racism out of the force.
He told London Tonight that he would be an 'implacable enemy' to racists - and that he would root them out of the force. But he defended the 'vast majority' of his staff as professional and unprejudiced.
The Commissioner admitted that training in one of the most controversial police tactics - stop and search - could be improved, and that the force would focus on that in the coming year.
More top news
The huge painting took two graffiti artists thousands of hours to complete in east London.
Religious leaders have provoked fury after suggesting pupils should be banned from lessons if their mothers drive them to school.
One by one, airlines have stopped flying from T1 and transferred to other terminals.