Thieves stole mobile phones of 17 fans, worth about Rs 7.5 lakh, during a recent event by ARTBAT, a Ukrainian DJ and music duo, in the city, police said on Thursday. 

The handheld devices were stolen during the live performances of Artur and Batish, both from Ukriane, at Goregaon East, between 10.30 pm on Tuesday and 5 am on Wednesday, a police officer said.