The Mumbra police with the arrested accused; (right) mid-day’s report on January 28, 2017

The mystery behind the Diva rail sabotage case refuses to die down. First, it was suspected terrorists placed a seven-metre-long piece of track across the broadgauge line, but the ATS said there was no terror angle. Recently, Thane police pinned blame on five alleged drug addicts. Now, the GRP claims in an explosive letter that none of the five arrested was at the spot at the time of the incident, according to cell data.