Four people have been arrested for allegedly robbing three Iraqi nationals by posing as CBI officers at Khalapur on the Mumbai-Pune Express Highway, the police said on Thursday. The incident took place in the last week of December 2020, the police said.

While one of the accused was arrested from Uran in Raigad district, three others were held from Pune, the police said, adding that they were on the lookout for one person.