The last polls published before the pre-election media blackout showed the anti-immigrant League neck-and-neck with the centre-left Democratic Party.
Italy's new government allowed a charity ship to bring ashore 82 migrants in an apparent reversal of the uncompromising, closed-door policy of the previous administration.
Italy's Interior Minister Matteo Salvini likes to present himself as a devout Christian but the head of the Catholic Church has taken starkly different political stances.
Announcing his resignation, Italian Prime Minister Giuseppe Conte made a blistering attack on his own interior minister, Matteo Salvini, accusing him of sinking the ruling coalition and endangering the economy for personal and political gain.
Italy's Interior Minister Matteo Salvini has appeared to buckle under pressure to ease the political standoff over a migrant rescue ship, saying he would allow minors to disembark after being at sea for two weeks.
Interior Minister Matteo Salvini has orchestrated the closing of what was once Europe's largest migrant reception centre, housing more than 4,100 people at one point
The sailboat Alex, carrying 41 migrants, declined a Maltese offer to go to Malta, as the Mediterranea NGO operating it said such a long journey would have been dangerous for the people aboard.
Far-right League leader Matteo Salvini has tried to ban the Dutch-flagged vessel from approaching under a "closed ports" policy, which has seen migrants repeatedly stranded at sea.
The Italian government passed an emergency decree limiting the entry of ships into its territorial waters to curb the activity of migrant rescue boats operated by charity foundations.
French government spokesman Benjamin Griveaux says that the recall was prompted by months of "unfounded attacks" from Italian government members Luigi Di Maio and Matteo Salvini.
The worst of the refugee crises might be over, but migrants seeking a better life are finding new ways to Europe.
Following the decision around 200 migrants who have made their lives in the sparsely-populated town will be affected, according to Italian media reports.
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