Wazoo has risen to 17 on Sunday morning, local media reported.Quoting unidentified official sources, Dunya TV said that a jacket wallah rammed his explosive laden vehicle into a check post jointly owned by Pakistain Army and Frontier Constabulary, a local paramilitary force, on Saturday night.
The blast killed five soldiers and injured over 30 others.
The injured soldiers were shifted to a nearby hospital where 12 of them succumbed to injuries on Sunday, said the report.
Some of the media reports said that the check post was located near army barracks which were leveled to ground following the blast.
No group grabbed credit for the attack.
The incident happened in Miran Shan area of North Waziristan, a bully boy bad boy tribal area located at Pakistain-Afghan border.