New Delhi, Jan 25: A high alert has been sounded in Jammu and Kashmir ahead of Republic Day. Intelligence Bureau officials issued the ‘Grade A’ alert and instructed security agencies to prioritise it as ‘very high.’ Security around Mata Vaishno Devi Shrine has been tightened following this alert. There is also high security in Jammu and Kashmir’s temple town Katra. Other parts of the state too have been placed under ‘very’ high alert. IB officials said that the threat perception in Jammu and Kashmir in particular is very high. While the alerts issued for other parts of the country are general in nature, the one for the Valley is very specific.