QUETTA: Frontier Corps (FC) personnel claimed on Tuesday to have arrested four suspects involved in the Sunday night attack on the convoy of President Mamnoon Hussain's son in Balochistan's industrial city of Hub.

Abdul Wasay, spokesman of Frontier Corps, told DawnNews that security forces and other agencies conducted a raid in Ramzan Goth area of Hub town and picked up four suspects.

He said the arrested men were involved in attacks near Hub.

"There is evidence of their involvement in the attack on the convoy of President Mamnoon Hussain's son," Wasey said, adding that the arrested men are being interrogated by security personnel.

The FC spokesperson claimed that all the arrested suspects are affiliated with a banned militant outfit.

Read: IED blast in Hub targets President Mamnoon's son

Salman Mamnoon, a son of President Mamnoon Hussain, escaped a bomb attack on his convoy in Hub on Sunday evening. Three people were killed in the blast and 15 injured.

In a separate raid, intelligence agencies' personnel conducted a raid on Sariab road area of Quetta and arrested a militant.

Security sources said the militant belongs to a banned militant outfit.