Kohat (Staff Report):  Police have arrested the main suspect in the murder case of NGO worker Hina Shahnawaz .

Shahnawaz was gunned down in Kohat's Astarzai area on Feb 6, allegedly by a relative who objected to her working outside the home.

District Police Officer Kohat Javed Iqbal had earlier said that Shahnawaz had been shot four times.