Surveillance cameras may have captured images of blast suspect - Interfax

MOSCOW (Reuters) - Surveillance cameras in St Petersburg's metro system may have captured images of the person suspected of organising Monday's deadly train blast, Russian news agency Interfax quoted a source as saying.

"Images of the suspected organiser of the metro blast were captured on metro station cameras," the source said.

The explosive device may have been left in a briefcase in a metro train carriage, the source added.

(Reporting by Alexander Winning; Writing by Sujata Rao)