A team of the Maharashtra Anti-Terrorist Squad has visited Rajkot to collect information about hardcore criminals as part of their investigation into the July 13 serial bomb blasts in Mumbai, police sources said on Friday. The team, which arrived on Thursday, met Crime Branch officials and sought information on underworld dons Aftab Ansari, Asif Raza Khan Pathan and Fazal Ur Rehman alias Fazlu, who were named over a decade ago in the kidnapping of a local jeweller's son.