Those on social media trying to show solidarity with the victims of the London terror attack should instead be ending their posts with #Pray4MuslimBan, according to One Nation leader Pauline Hanson.

Senator Hanson is unhappy with recent comments by London Mayor Sadiq Khan, and wants Australia to “solve the problem” of terrorism by banning the Muslim faith.

"It's amazing that the Muslim Mayor over there has come out and said, 'Oh well terrorist attacks are part and parcel of a big city',” she said.

“People are feeling sorry for these people over there and I've seen the hash tags ‘pray for London’.

“Look I have my own hash tag and you won’t need to be praying for this place, or that place.

"Put a ban on it and then let’s deal with the issues here."

Watch: One Nation leader Pauline Hanson has called for Islam to be banned

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Senator Hanson, who made the announcement in a video posted to social media, held up a piece of paper with her own proposed hash tag “Pray4MuslimBan”.

“That is how you solve the problem, put a ban on it and then let’s deal with the issues here,” she said.

Senator Hanson pointed to recently announced security upgrades at Parliament House and praised the work of ASIO and the Federal Police but said “They can’t keep an eye on everyone”.

“We’re protected, what about you?" she said.

"Do you feel protected? Do you feel safe in your country?”

She called on members of the Australian parliament to get behind her and “look at it realistically”.

“Debate the issue and make sure that we do not have this religion that is really an ideology that is eventually going to eventually cause so much havoc on our streets, not only for ourselves but for future generations,” she said.

Reaction online: #pray4paulineban

Some Twitter users responded to Ms Hanson’s call to ban Muslims by tweeting their own hashtags, including #pray4paulineban.

Twitter user Sarah Cowley wrote: “This woman & her views do not represent me! #IslamNOphobia #Pray4PaulineBan #WeAreOne #Thisis2017 #AusPol #YouAreWelcomeHere #Australia”

Justine Pitcher wrote: “So she wants to put a ban on it? @PaulineHansonOz Put a sock in it.”

Katter ramps up calls for visa ban

The attack in London prompted Independent MP Bob Katter to repeat his call for Australia to ban visa requests from the countries between Greece, India, and North Africa.

Mr Katter said there isn't a 'Muslim problem' because attacks in predominately Muslim countries such as Albania, Malaysia and Indonesia are uncommon.

“But no intelligent person can argue that this is not coming from Islamic extremists," Mr Katter said.

“There should be no visa issued to anyone from these areas unless of course they are persecuted minorities – the Sikhs, Jews and Christians."