<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>An apparently "intentional" explosion at a </span><a href="https://www.9news.com.au/world/harvard-sues-trump-administration-to-stop-the-freeze-of-more-than-2-billion-in-grants/a72ba381-a92e-4f3a-9701-f5ff23f2590e" rel="" target="_blank" title="Harvard University"><span>Harvard University</span></a><span> medical building early today is under investigation, authorities said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>An officer responded to the Goldenson building about 2:48 am local time and saw two people fleeing the building after a fire alarm was activated, according to the Harvard University Police Department.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>On the building's fourth floor it was apparent there had been an explosion – one that an arson team has initially assessed "appeared to be intentional," police said.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/woman-dead-struck-by-lightning-cooroy-sunshine-coast/5eaa05cc-3c34-42b0-8ae6-348d6abd594c" target="_blank"><strong><span>'Taken in a minute': Tributes for woman killed in freak lightning strike</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/south-australia-whyalla-veterinarian-andrew-melville-smith-car-hit-by-a-suspected-meteorite-port-august-highway/3132693d-6f34-478c-bd92-0f630a5ff6b3" target="_blank"><strong><span>Man's new Tesla struck by suspected meteorite on remote Aussie highway</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Boston police swept the building for "any additional devices" but none were found, and no injuries were reported, officials said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"The Harvard University Police Department is actively investigating this incident in coordination with local, state, and federal law enforcement partners," university police said.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/world/police-investigate-explosion-harvard-university-medical-building/0f50f09e-0216-439d-8f78-805775b62008" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Officials did not provide details on the nature of the explosion or any damage that may have resulted.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>CNN has reached out to the Boston police and fire departments for additional information.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f"><em><strong><span>DOWNLOAD THE 9NEWS APP</span></strong></em></a><em><strong><span>: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. Available on the</span></strong></em><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727"><em><strong><span>Apple App Store</span></strong></em></a><span> </span><em><strong><span>and</span></strong></em><span> </span><a href="https://play.google.com/store/apps/details?id=nineNewsAlerts.nine.com&amp;hl=en_AU&amp;pli=1"><em><strong><span>Google Play</span></strong></em></a><em><strong><span>.</span></strong></em></div></div>