Phrase became the third most popular topic on Twitter across London a day after the explosion.
The man said he was carrying the weapon 'for his own protection' after the terror attack on Parsons Green.
Prime Minister Theresa May said another attack is imminent but urged the public to 'go about their business as usual'.
In a statement released to the Amaq news agency, Isis said 'a detachment' from their group had carried out the attack.
The outcome, almost certain to be "yes," will further rattle a region still engulfed in the fight against the Isis.
"If they take it down, there will be no graphic content but there will be no evidence."
Father Tom Uzhunnalil, who is now in Muscat, is expected to fly to India shortly.
Turkish state media said 22 of the jihadists, detained in Istanbul, were foreign nationals.
Russia has been providing air cover for President Bashar Assad's troops since 2015, changing the tide of the war.
Duelling battles for Deir el-Zour highlight the importance of the oil-rich eastern province.
State media reports that troops advancing from the west broke the siege after IS defenses collapsed.
Russian Kalibr missiles targeted Islamists' command centre near Deir ez-Zor.
Met's Neil Basu says the main terror threat the UK faces comes from Isis-inspired extremists "in our midst".
Philippine troops fighting Isis-linked Islamist insurgents in the city of Marawi say they have encountered armed resistance from women and children.
The Philippines president earlier asked the armed forces to wait it out before attacking mosques held by Islamists.
A 30-year-old Somali man was shot dead after he attacked a group of soldiers in Boulevard Emile Jacqmain.
Scotland Yard confirmed the 26-year-old suspect has been arrested under the Terrorism Act 2000.
New videos threaten terrorist carnage in Italy.
'Yusuf' calls US President Trump a 'puppet of the Jews' and promises the battle will 'end in your lands'.
Imam Abdelbaki Es Satty died in a house in Alcanar a day before the Las Ramblas van attack.
Islamic State's Twitter network is being destroyed so where are extremists going next?
Mattis' arrival comes two days after Iraqi forces launched a military campaign against the Islamic State in Tal Afar.