Man shot dead brother and his sister-in-law after losing temper on barking of their dog in Swabi District of Khyber Pakhtunkhwa, reported 24News HD TV channel on Monday.

Muaz had a heated argument with his brother at 11 PM on Sunday night over the barking of his dog. While arguing with his brother Shaukat Zaman, Muaz said that his dog was disturbing his sleeping pattern as he barks loudly at night.

During the argument, Muaz became extremely angry and opened fire at Shaukat Zaman and his wife due to which both died on the spot.

Muaz managed to flee from the scene after killing his brother and his sister-in-law. 

An FIR has been registered on the complaint of the father Luqman Zaman.

Reporter Anwaarul Haq