
Two persons, suspected to be ex-army personnel, were on Saturday questioned in Pune in connection with the September 29 Malegaon blast, police sources said in Mumbai.
The two persons, whose identities were not revealed, were taken in for questioning, they said.
Three persons have been arrested, including a sadhvi, for their alleged involvement in the Malegaon blast which claimed the lives of six persons.
Senior ATS officials in Mumbai and Pune refused to comment on the issue.
Senior ATS officials in Mumbai remained for most part of the day at the Kalachowkie unit of the ATS in Central Mumbai where the three arrested persons were being kept.
A team from the ATS was also present in Indore for further investigations.
Shivnarayan Gopalsingh Kalsangra, 36, and Shyam Sabarlal Sahu, 42, a mobile telephone shop owner, were arrested from Indore and had also founded the Rashtriya Jagran Manch in the city.
ATS officials had confirmed yesterday that RDX had been used in the blast but had refused to elaborate where the arrested trio had obtained the explosive from.