<span style="background-color: transparent;">The death toll in the mosque blast in Narayanganj near Dhaka in Bangladesh has gone up to 16, reports the official news agency BSS.<br />''<br />''At least 50 people were injured in a blast at a mosque in Narayanganj Sadar upazila in Bangladesh on Friday night. <br />''<br />''The blast was reportedly caused by fire in an air-conditioner in the mosque. Subsequently, several other ACs are also reported to have caught fire.<br />''<br />''The injured were rushed to the Dhaka Medical College Hospital and the local hospital where 16 people have so far died. Besides, 21 people are in critical condition undergoing treatment at the hospital.<br />''</span><br />''<span style="background-color: transparent; color: #000000;">Police have started investigation in the case. The district administration has also formed a probe body to investigate the explosion.</span>