Three people including two brothers were killed when unidentified armed assailants opened fire on them in Gambat area of Khairpur on Friday, reported 24NewsHD TV channel.
Police sources said that the three were going to appear in a local court when the gunmen targeted them.
The slain were identified as Shakeel Kandhro, Hatim Kandhro and Barkat and were residents of Liyari area of Tehsil Kotdiji.
The police said that they suspect that the incident occurred due to old enmity but they were investigating the incident.
Further investigation was underway.
Reporter Waqar Hussain Mangi