LUCKNOW/AYODHYA, April 16 -- Emails claiming that bombs were planted in four district collectorate offices - Firozabad, Aligarh, Barabanki and Chandauli - triggered a security alert on Wednesday.

However, nothing suspicious was found after the buildings were evacuated and searched extensively. This happened a day after a bomb threat to Ayodhya's Ram Temple was issued on Monday night.

Bomb disposal units, anti-sabotage checking teams, dog squads and local police were swiftly mobilised to the respective collectorate premises soon after the emails were received. All buildings were evacuated and thoroughly searched, officials said. Authorities in all four districts said that no explosives or suspicious items were found. Investigations are o...