PM 'Security Breach', Now A Full-Blown Political War

Prime minister's motorcade waiting on top of a flyover, en route Ferozepur in Punjab, a massive security breach that left him stuck on a highway for 20 minutes, has resulted in a full-blown political war now between the BJP and the Congress. The BJP accused Punjab's ruling Congress of "murderous intentions" while Chief Minister Charanjit Singh Channi, denying any lapse, said he would die for the Prime Minister. With various versions of the events being narrated, what exactly happened?