The region hopes to lure as many as 10 million foreign tourists over five years.
ISIS or Taliban factions unhappy with the Afghan peace talks could be behind the killings, say analysts.
Investigators in Pakistan have revealed that high-ranking members of the Afghan Taliban have secretly been running businesses, reaping huge profits.
Pakistan shut down a number of trade routes with Afghanistan years ago because of the fear of militancy. Now those crossings are reopening.
'We will never the let the families of the martyrs be alone and will take maximum care of them,' said one official.
Ten Pakistan army personnel were killed in two separate militant attacks on July 27.
The US military also shot down an Iranian drone after it threatened an American naval vessel in the Strait of Hormuz.
The LeT chief has been arrested in connection with 23 different cases of terror financing.
Lashkar-e-Jhangvi (LeJ) and al-Qaeda in the Indian Subcontinent (AQIS) are among the groups targeting Karachi police officers.
The alarming incident comes amid heightened tensions after Iranian forces shot down a US drone over international waters and attacked several other oil tankers.