"If he wants to come, he will certainly be a welcome guest," he said at a conference on Milan's poorer, outlying areas.
Sala said he had not "directly" invited Salvini to the open-air event in the Sempione park on Saturday, which 5,000 people are due to attend, including Milan's Archbishop Mario Delpini.
Each person at the street party is being asked to bring along food from their childhood and to share it with others, telling them about the memories the dish brings back.
"The event aims to offer a model of what integration should be about - not rhetoric but actions and gestures, not a rowdy debate but tackling issues calmly," Sala said.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
