At least 12 people were killed and around 30 others wounded in a suicide bombing at a police checkpoint in northwestern Pakistan on Saturday, authorities said, as deadly violence continues to intensify in areas bordering Afghanistan.

The attack took place in the Dera Ismail Khan district of Khyber Pakhtunkhwa province, a region that has faced repeated militant attacks in recent years. Police said the bomber drove an explosives-laden vehicle into a roadside checkpoint, causing a powerful blast.

Some of those wounded were reported to be in critical condition, raising the possibility that the death toll could increase. Emergency personnel from Rescue 1122 transported the injured to nearby hospitals for treatment.

The Tehreek-e-Taliban Pakistan (TTP), also known as the Pakistani Taliban, claimed responsibility for the attack in a statement. The group has carried out numerous attacks against Pakistani security forces and government targets, particularly in Khyber Pakhtunkhwa.

Attack comes amid worsening border tensions

The bombing came just days after a sharp escalation in fighting between Pakistan and Afghanistan.

Pakistan said at least 13 Afghan Taliban personnel were killed during overnight clashes along the countries’ southwestern border on Thursday. Afghanistan rejected the claim and said its forces had not suffered casualties, instead accusing Pakistan of making false claims about the fighting. The competing accounts could not be independently verified.

The latest border confrontation followed Pakistani airstrikes on targets inside Afghanistan earlier in the week. Islamabad said the strikes targeted militant hideouts and facilities linked to attacks against Pakistan, while Afghan authorities condemned the strikes as violations of Afghanistan’s sovereignty and reported civilian casualties.

Pakistan has repeatedly accused Afghanistan’s Taliban government of allowing the TTP to operate from Afghan territory and launch attacks into Pakistan. Kabul has denied the accusations.

TTP remains a major security challenge

The TTP is a separate organization from Afghanistan’s ruling Taliban, although the two groups have longstanding ideological and operational ties. Pakistan has increasingly focused on the group as militant violence has risen across Khyber Pakhtunkhwa and other parts of the country.

Dera Ismail Khan, located close to Pakistan’s border with Afghanistan, has repeatedly been affected by militant violence. The district has become one of the focal points of Pakistan’s security operations against armed groups.

The latest bombing also follows a deadly attack on a police compound in northwestern Pakistan last week. A suicide bombing at the compound killed 31 people, according to a Reuters report citing police officials.

Growing risk of wider confrontation

The latest attack comes at a particularly sensitive moment in relations between Islamabad and Kabul. Pakistani officials have warned that attacks originating from Afghan territory cannot continue without a response, while Afghanistan has condemned Pakistani military operations inside its territory.

The two countries have exchanged accusations over cross-border militancy for years, but tensions have intensified significantly in recent months, with airstrikes, border clashes and militant attacks contributing to a deteriorating security environment.

International efforts to ease tensions have also faced difficulties. China, Türkiye, Qatar and Saudi Arabia have been involved in diplomatic efforts aimed at reducing tensions between Pakistan and Afghanistan.

For civilians in the border regions, the renewed violence has brought fresh security concerns as militant attacks inside Pakistan increasingly intersect with military confrontations between the two neighboring countries.

The latest suicide bombing underscores the continuing security challenges facing Pakistan and comes as relations with Afghanistan enter another particularly volatile phase. (ILKHA)