Justin Trudeau is warning voters to be wary of fear-mongering about immigration, suggesting the issue will be a hot-button issue during the federal election campaign this fall.

The prime minister made the prediction Thursday during a town hall meeting in northern New Brunswick, where a young Syrian refugee thanked him for allowing her family to come to Canada.

"I came all the way from Syria, and I came here to thank you," Tasmeen Ali told the prime minister in a soft voice, her words met with warm applause from the 250 people gathered inside a high school in Miramichi.

Trudeau reminded the crowd it was his Liberal government that granted asylum to 40,000 Syrian refugees in 2015-16.

He said his government was glad to help, but he stressed it was Canadians — those in church and community groups, neighbourhoods and families — who made the integration of Syrians a success.

"Welcoming people who are trying to build a better life is what built this country," he said.

But Trudeau's upbeat tone changed when he suggested the world has become increasingly fearful, insular and anxious about immigration.

"When we're faced with anxieties, it's very easy to have those fears drummed up and exacerbated — getting people to point fingers and lay blame," he said.

There are people trying to create fear, intolerance and misinformation about immigration across Canada, he said, though he did not name any individuals or groups.

"But the kind of fear-mongering, the kind of intolerance, the kind of misinformation going on across the country and around the world is something all of us have a responsibility to engage with a positive and a thoughtful way."

Trudeau said he was looking forward to speaking with Canadians about immigration during the upcoming campaign.

The meeting was part of a cross-Canada swing aimed at boosting the fortunes of Liberal candidates in an election year.

Trudeau faced tough questions at earlier town hall meetings in Quebec, British Columbia, Saskatchewan and Ontario.

In the 2015 general election, Liberal candidates won every one of the 32 ridings in Atlantic Canada.

As expected, the crowd at James M. Hill High School was more than kind to the prime minister. There were a few other thank yous, a few requests for photos during the question-and-answer session and no heated exchanges.

For more than 90 minutes, a seemingly relaxed Trudeau fielded 16 questions, which included queries about abortion, radon gas, rural development, seasonal employment, Indigenous rights, cannabis, pharmacare and Lyme disease.

Earlier in the day, Trudeau said his government wouldn't spend more money on the troubled 2021 Francophonie Games in New Brunswick — unless the provincial government agreed to pay more.

Last month, New Brunswick's Progressive Conservative government announced the Games could prove too expensive for the province, as cost estimates ballooned to $130 million — a sevenfold increase.

While visiting a child-care centre in Quispamsis, Trudeau said Ottawa would only match provincial spending dollar-for-dollar.

"Obviously the Francophonie Games are deeply important to me," Trudeau said. "We think it's extremely important to move forward on the Francophonie Games, but ... we have a framework for large sporting events."

Premier Blaine Higgs has said the province will stick with its original commitment to spend $10 million, insisting his government won't spend another penny.

The ninth Games of La Francophonie are scheduled to be held in the Moncton and Dieppe area in the summer of 2021, attracting 3,000 athletes and artists from more than 50 member states that have French as a common language.

— With files from Michael MacDonald in Halifax.

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Trudeau promised a dirty campaign. He's delivering. Disagree with him, attempt to hold a constructive discussion and what does he do? Name calls and attempts to shame. We must not allow him to impede our right to democratic freedom of speech. One example? "Conservatives are against immigration." A blatant lie. Another example? "Conservatives are bigoted, racist ambulance chasers." Open and transparent government? Hardly!

Some conservatives certainly ARE against immigration. Some concervatives ARE bigoted and racist. As are many other Canadians, irrespective of their political stripes.

It is up to the leaders in our societies to defuse and counter bigotry and racism - uncovering it's dirty little secrets - that the perpetrators of the poison are small minded, fearful, cowards. Unable to process the notion that all humans are "human" and all life forms on this planet serve a purpose - or evolution would have wiped them out long ago. Evolution may be in the process of wiping out humanity - if homo sapiens can't get its brain in order and find ways to survive and co-exist.

Unfortunately, the fear factor that informs so much of human mis-understanding and mis-information is all too susceptible to the deliberate lies, propaganda, mythologizing that has made chaos of humanity. The Tower of Babel is alive and positively bursting with glee at all the opportunities for sowing discord the world wide web affords to the cowards, the megalomaniacs, the criminals, the psychopaths. Fear of "the other" is the fifth horseman of the apocalypse.