Police have arrested Shiv Sena's Pune city unit president and four others in connection with the alleged attack on the party's rebel MLA and former Maharashtra minister Uday Samant's car here, an official said on Wednesday.

A group of unidentified persons had attacked Samant's car at a signal in Katraj area of the city around 9 pm on Tuesday. A video of a mob trying to surround Samant's vehicle and shouting slogans circulated on social media.