A top Border Security Force (BSF) officer said on Saturday that there are intelligence reports about militants planning to attack the forthcoming Amarnarh Yatra in Jammu and Kashmir.At the wreath laying ceremony in Srinagar to honour three BSF troopers martyred in an attack by guerrilla's at Bijbehara on Friday, BSF Director General K.K. Sharma told reporters: "Yesterday's attack on our convoy was sudden and unexpected. That is why we suffered casualties.""There are intelligence reports that militants have plans to attack the forthcoming Amarnath Yatra but we have made adequate arrangements to ensure an incident free Yatra this year also."Jammu and Kashmir Chief Minister Mehbooba Mufti also laid wreath at the coffins of the martyred troopers.