<div><b><span style="font-size: 1rem;">The Bangladesh Meteorological Department (BMD) has issued a warning that the ongoing heat wave may persist for 72 hours starting Sunday morning.</span><br></b></div><div><br></div><div>"Due to increasing moisture incursion, the discomfort may increase," said the Met office.</div><div><br></div><div>This announcement follows earlier alerts issued on April 19, 22 and 25.</div><div><br></div><div>bnbd/fas</div>