Armed men have attacked the Federal Medical Centre (FMC) in Lokoja, Kogi State.
They disrupted a COVID-19 press briefing scheduled for Wednesday morning.
The media chat was to demand a COVID-19 screening centre in Kogi.
Speakers were also expected to comment on the challenges health workers face amid the coronavirus pandemic.
On arrival, the gunmen shot sporadically and assaulted anyone in sight.
The assailants carted away some laboratory equipment, laptops, doctors phones and other documents.
FMC lokoja is within the precinct of Kogi Government House in Lokoja.
Photos from the scene show the level of destruction: