How are the Sundarbans tackling natural and manmade threats, and can they keep doing this? How did the study arrive at its results? What does the study tell us about the functioning of mangroves?
Tens of thousands of people have gathered on a riverbank near Bangladesh's capital to listen to sermons by Islamic scholars at the Biswa Ijtema or global congregation of Muslim devotees.
The banned organisation Sikhs for Justice (SFJ) planned terror activities that include threats to Prime Minister Narendra Modi, Union Home Minister Amit Shah and National Security Adviser Ajit Doval.