Which among the following claimed responsibility for Karachi University suicide blast in April 2022?

Which among the following claimed responsibility for Karachi University suicide blast in April 2022?

اپریل 2022 میں کراچی یونیورسٹی خودکش دھماکے کی ذمہ داری درج ذیل میں سے کس نے قبول کی؟
Explanation

1 Pakistani and three Chinese have been killed.

Baloch Liberation Army, an outfit organization claimed responsibility for this attack.

Blast Took place: 26-04-2022