<p>An explosion in a Ukrainian hospital ward where Covid-19 patients are being treated has killed one person and injured another, authorities said Saturday.</p>.<p>The national emergencies service said in a statement that the explosion occurred in an oxygen pipe. It said 20 people were evacuated after the blast at the hospital in Chernivtsi, a city about 400 kilometers (250 miles) southwest of Kyiv.</p>.<p>Saturday's explosion was the second fatal oxygen explosion at a hospital in Ukraine this month. Three COVID-19 patients and a young doctor died when an explosion caused a fire at a hospital in Zaporizhzhia during the first week of February. </p>
<p>An explosion in a Ukrainian hospital ward where Covid-19 patients are being treated has killed one person and injured another, authorities said Saturday.</p>.<p>The national emergencies service said in a statement that the explosion occurred in an oxygen pipe. It said 20 people were evacuated after the blast at the hospital in Chernivtsi, a city about 400 kilometers (250 miles) southwest of Kyiv.</p>.<p>Saturday's explosion was the second fatal oxygen explosion at a hospital in Ukraine this month. Three COVID-19 patients and a young doctor died when an explosion caused a fire at a hospital in Zaporizhzhia during the first week of February. </p>