By Asif Shahzad, Ariba Shahid and Fayaz Bukhari ISLAMABAD/SRINAGAR, India (Reuters) -Pakistan closed its air space for Indian airlines and rejected New Delhi's suspension of a critical water sharing treaty on Thursday in retaliation for India's response to a deadly Islamist militant attack on tourists in Indian Kashmir.

Pakistan closed its air space for Indian airlines and rejected New Delhi's suspension of a critical water sharing treaty on Thursday

International flights, especially from Delhi and other northern cities, will take a longer time to reach their destinations and fares are also likely to rise in the range of 8-12 per cent in the near term,