New Delhi, Oct 27 (ANI): Reacting on the crude bomb explosion at Patna railway station, hours ahead of BJP's PM candidate Narendra Modi's 'Hunkar' rally, the BJP said that no obstacle can stop people from joining the Hunkar Rally. Pointing fingers at the Congress and the JD (U), BJP vice president Mukhtar Abbas Naqvi said that the incident is a political conspiracy and should be investigated thoroughly.