ISLAMABAD — Pakistan on Friday announced the arrest of four militants over their alleged involvement in a deadly suicide bombing outside a district court in the capital, a breakthrough in an investigation launched after the attack killed 12 people and wounded 28 others.

The men are suspected members of the outlawed Tehrik-e-Taliban Pakistan, or TTP, which is a separate group but closely allied to the Afghanistan Taliban. One of the suspects, Sajid Ullah, is believed to have handled the bomb used in the suicide attack on the court in Islamabad on Tuesday, the government said in a post on social media platform X.

The men were detained in a joint operation by the nation's Intelligence Bureau and Counter-Terrorism Department, the government said.

The arrests came a day after Pakistan's Inte

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