Extra security measures have been discussed to protect London's mosques, especially in the run up to Ramadan.
The Muslim holy month begins at the start of May.
200 faith leaders gathered at City Hall last night to discuss security fears, in the wake of the New Zealand shooting.
The Home Office announced that funding for security at mosques and other places of worship has been increased by the government.
A week on from the massacre, prayers have been held around the world, including here in the capital at Baitul Futuh Mosque in Morden.