Islamabad, July 10 (IANS): Pakistan has claimed a significant breakthrough in the November 2014 Wagah border suicide attack in which more than 50 people were killed.

The Counter Terrorism Department (CTD) on Thursday claimed to have arrested two abettors from Punjab province and recovered hand grenades, explosive material and arms from their possession.

According to the police, they were allegedly involved in facilitating the suicide attack on the Wagah Border.

The suspects, identified as Ehsanullah and Saeed Jan alias Gajni, were arrested from Lorri Adda and were shifted to an undisclosed location for interrogation.

Three terrorists involved in the attack had already been killed earlier.

Over 50 people died and at least 100 were injured in the suicide bombing close to Pakistan's only border crossing with India.

The blast hit near the checkpoint at the Wagah border crossing, near Lahore.

The Pakistani Taliban said it carried out the attack, although other militant groups -- including Jundullah -- also said they were responsible.

The Wagah crossing is a high profile target, with large crowds gathering everyday to watch an elaborate flag-lowering ceremony as the border closes.