The 55-year-elderly person was attacked on an asphalt in the city of Piacenza from the beginning Sunday, nearby authorities said.
The episode was videoed by somebody in a level sitting above the road and the aggressor was captured.
Police affirmed the capture and said the man was being confined as the examination proceeded.
Meloni, whose Brothers of Italy party heads the surveys in front of the 25 September public political decision,
tweeted the video, which had been posted on a paper site with the picture obscured however the lady's cries plainly discernible.
The tweet drew a torrent of analysis web based, including from Meloni's political rivals.
Meloni, who has required a maritime bar of north Africa to keep traveler boats from heading out,
said on Facebook her adversaries had utilized the assault to go after her while disregarding the casualty to try not to address what she called the migration crisis.
Letta's post had expressed: "Regard for individuals and casualties generally starts things out" and Calenda stated "just the casualties matter".