In what could be an initial breakthrough in the probe into twin blasts in the Bangalore-Guwahati Kaziranga express, a man who hurriedly got down from it at the Chennai central railway station has been spotted wearing a handkerchief to mask his face in CCTV footages of Bangalore railway station, police sources said on Saturday.
Eyewitnesses said they heard two explosions on coaches S4 and S4 of the Bangalore-Guwahati Kaziranga express as it arrived at the Chennai railway station.