The Londoners were slightly less likely in favor of arming the police officers than the respondents in the other UK regions, with 68 percent of those polled in the city approving and 25 percent disapproving the move.
The survey was conducted among 1,581 UK nationals by SMS on Monday.
On Monday, UK Prime Minister Theresa May is the UK police were "well resourced." May, however, has been under pressure in the recent months over her policies of cutting police budgets. According to media reports, the number of armed police officers in 2017 is lower than in 2010, when May became the home secretary.
A similar attack took place in late March, when a man drove his car into pedestrians on London's Westminster Bridge, killing five people including the attacker himself, and injuring at least 50 more.
On May 22, a deadly blast occurred at the entrance to Manchester Arena at the end of US singer Ariana Grande's concert, claiming the lives of at least 22 and injuring almost 120 others.