A person from the Lashari tribe shoot down his sister in a so-called honour killing in Shikarpur Sindh, reported 24NewsHD TV channel.
The accused Salman shot dead his sister Nirma Lashari and managed to run away from the crime scene.
The unfortunate incident occurred in the suburb village of the Shikarpur named Dhukan.
Salman alleged that his sister talked to someone on the mobile phone.
Police have shifted the body to the Garhi Yamin Hospital and launched a further investigation into the matter and police teams were after the accused as well.
Local police have set up pickets to nab the accused from the area.
Reporter Abdul Jabbar Abro