Police searched Osborne's suburban terraced home in Glyn Rhosyn, Pentwyn, yesterday night, as they investigate an act they are treating as terrorism and "clearly an attack on Muslims".
The Prime Minister did not initially meet the families of those affected by last week's blaze in Kensington, instead holding a private meeting with the emergency services.
Community leader Abjol Miah said anti-Muslim sentiment has increased lately but was optimistic about the possibility of people coming together.
The Guardian says British negotiators have "capitulated" to key European demands for a phased approach to the talks - agreeing to park discussions on free trade until they have worked out the cost of the divorce settlement.
British security officials, speaking on condition of anonymity in line with official policy, said hate crimes directed at Muslims have increased almost five-fold in the wake of several attacks in Britain. "By God's grace, we were able to protect him from harm", he said. "That's not the kind of reaction I would normally have to hearing a helicopter in London".
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"Local and senior police officers regularly meet with faith leaders and will continue to do so following this attack to hear local concerns and provide reassurance to communities".
The World's Leo Hornak lives in the Finsbury Park area and says the mood in London is somber, nearly resigned.
Mahmoud called on the incensed worshippers not to commit a sin during the holy fasting month of Ramadan.
Owners of the van hire company said they were "shocked and saddened" that one of their vehicles was used in the attack and pledged to help the police with their investigation.
In that incident, three men slammed a van into pedestrians before embarking on a stabbing spree - an attack claimed by the Islamic State group.
"There has been an outpouring of sympathy for all for the recent terror attacks but hardly a whisper on this attack", he said. I think it's significant that they had the reputation historically of being one of the most militant mosques in London. In the latest incident, at least nine were injured in Britain late Sunday when a man plowed his vehicle into a crowd outside a mosque. However, the mosque was shut down and reorganized and has not been associated with radical views for more than a decade.
"This morning, our country woke to news of another terrorist attack on the streets of our capital city: the second this month and every bit as sickening as those which have come before", May told reporters outside her Downing Street office.
Anyone who has information should contact police on 0800 789321.