Following this, the US President Donald Trump quote-tweeted her, adding his own comment labelling Khan as a "disaster" and saying "LONDON needs a new mayor".
In less than 24 hours, three people died and another three others injured after five attacks in London. "Khan is a disaster - will only get worse!" he wrote.
Hunt's comments came at a leadership hustings event Monday and followed a series of messages Tweeted by President Trump over the weekend as he lamented the surge of crime gripping London.
Two teenagers were killed within minutes of each other in different parts of the capital, whilst a man was stabbed to death hours later.
In doing so, the United States president retweeted the right-wing, anti-Islam campaigner Katie Hopkins as he told his 61 million followers that Mr Khan was a "national disgrace who is destroying the City of London".
But Labour Leader Jeremy Corbyn defended Mr Khan, saying: "Absolutely bad to see Donald Trump using the tragedy of people being murdered to attack the Mayor".
A spokesman for the mayor said: "Sadiq is focusing on supporting London's communities and over-stretched emergency services".
There is no lost love between the American leader and Sadiq Khan - London's first Muslim mayor.
As a clinical psychologist working with young people in Tower Hamlets, east London, I see so much of their hope, potential and optimism extinguished by the grinding reality of lack of proper educational opportunities, lack of job prospects and genuine bewilderment about why some people have so much money while they, and their families, can not afford to eat.
On a trip to London in July past year, Trump accused Khan of doing "a very bad job on terrorism", linking immigration to a deadly wave of crime in London.
Another three men were slashed in a separate knife attack at about 3am on Saturday.
The Met Police said last night: 'Bearing down on violent crime on the streets of London continues to be a top priority.' Ten arrests have been made after the murders in Tooting and Plumstead.
The deaths over the past few days take the total number of murders in London in 2019 to 56.
The nuclear deal seeks to head off any pathway to an Iranian nuclear bomb in return for the removal of most worldwide sanctions. Iranian-backed Houthi rebels in Yemen also have launched a series of drone and missile attacks on Saudi Arabia.
La fête se poursuivra ainsi, sur le parvis de l'hôtel de ville, avec sans doute de nombreuses surprises au programme. Un témoin dit avoir entendu quatre coups de feu. "Les discours se poursuivent", a-t-il écrit sur son fil Twitter.
The band's guitarist and cofounder, 57, revealed that he is already in treatment, and that his prognosis looks good. I'm working closely with my doctors, and we've mapped out a treatment plan which they feel has a 90% success rate.
Leasing company Air Lease Corp became the first customer of the new aircraft, taking 27 as part of a deal for 100 Airbus planes. Investigators noted that in both cases, the planes kept pushing their noses down despite the pilots' efforts to correct it.
Woodland began the day with a one-stroke lead (-11) over Justin Rose (-10) and a four-stroke lead over Koepka (-7). Koepka did make history by becoming only the fourth player to break 70 in all four rounds of the U.S.
According to Thailand's Crime Suppression Division, Galdelli claimed he was Clooney and he opened a clothing business. Galdeli even made massive donations for a charity supporting disabled children and children with HIV.
Chris Hemsworth and Tessa Thompson attend the photocall for " Men in Black " film at Cite de l'Architecture et du Patrimoine. Despite some noted chemistry between Thompson and Hemsworth, as seen in Thor , it's taken a pummelling by the critics.
8-year old boy bitten by shark at Bald Head Island
The boy was initially treated by public safety officers on the island, and then taken to the hospital on a local ferry, he added. Village Manager Chris McCall said that the boy was bitten on the leg while he was in the water just off Bald Head Island.
Arsenal appoint new assistant coach
Steve Bould, who has effectively swapped jobs with the former winger, will now work alongside academy manager Per Mertesacker . He will lead Arsenal's under-23 team, as well as oversee the club's under-18 phase programme.
Bomb kills Kenyan policemen near Somali border
A second blast on a key road leading to the airport of the Somali capital Mogadishu did not cause any casualties. Separately, another blast in Somalia's capital Mogadishu killed eight people, according to emergency services.
Les Sussex dévoilent le visage d'Archie
Quote from "lands" by @nayyirah.waheed: my mother was my first country; the first place i ever lived. L'adorable cliché montre le poupon agrippant le majeur de la main gauche de son père.