New Delhi: Politics over the beheading of Lance Naik Hemraj Singh escalated on Tuesday. Samajwadi Party (SP) leader Ram Gopal Yadav called for war. The Bharatiya Janata Party (BJP) too kept up the heat. Party leader Yashwant Sinha demanded that all talks with Pakistan be called off. The Congress reassured of action but said that jingoism should be avoided.