Third blast near Golden Temple in Amritsar rocks area, Indian police.
At midnight, a low-intensity explosion occurred near the Golden Temple in the northern Indian city, which police said caused no casualties, the cause of which was unknown.
According to police official Noonhal Singh, a forensic team is currently investigating the spot.
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police said, Five people were detained on Thursday. The last two blasts, one on Monday and the first last weekend, each injured one person. The police have not yet given any reason for the blasts.
Sikhs around the world revere the Golden Temple in the state of Punjab, a gleaming structure in the middle of a large man-made pond.
However, it has previously been the site of conflict, most notably in 1984 when Indian special forces invaded it to flush out Sikh extremists.
In March, the arrest of an ardent Sikh separatist in Punjab sparked riots and vandalism among expatriates.
The push for a separate Sikh homeland called Khalistan led to deadly violence in India in the 1980s and 1990s.
