A pro-Islamic State Telegram channel has released a poster in Bangla reading "Coming soon", reported Indian media.
The poster began circulating late on Thursday (Apr 25), the Times of India reported citing sources in an intelligence agency, who said that the matter was being investigated.
The Indian national daily said that the Bangla text in the poster, featuring the logo of a group called al Mursalat, translates to “Coming soon God willing”.
The newspaper said in its report that the poster indicated that Islamic State could be planning an attack.
It comes days after the serial blasts in Sri Lanka, claimed by the Islamic State, which killed at least 250 people including foreigners and injured over 400 others.