Punjab: Blast near army cantt area in Amritsar, hours after explosion in Jalandhar Chandigarh, May 6: Two back-to back explosions near security establishments shook Punjab on Tuesday night, triggering panic and drawing condemnation from opposition parties which called them efforts to "destabilise" the state. The first explosion happened around 8 pm in Jalandhar outside the headquarters of the Border Security Force's Punjab Frontier, while the second blast occurred at around 11 pm in near the army cantonment in Amritsar. No injuries have been reported, police said.