How can Peshawar's traumatised children ever heal?

How can children who have witnessed so much violence ever heal?

That is the question being asked in Pakistan after the brutal Taliban attack on an army-run school in Peshawar where more than 130 pupils were killed and hundreds more injured.

It has also led to concerns over the psychological trauma endured by children where therapy and counselling are often shunned in a conservative society.

BBC Urdu correspondent Saba Eitizaz reports.