Russian authorities say one warship was damaged in the attack overnight.

Ukraine has not yet acknowledged the incident.

They also claimed that british forces were involved in the explosions would damage the nord stream gas pipelines last month, responding to all the claims, the M O.

D said Moscow was resorting to invented stories to detract from their disastrous handling of the illegal invasion of Ukraine and our correspondent in Kiev Hugo Ortega has more on that attack on Sevastopol.

The Ukrainians rarely comment on attacks and incidents in Crimea.

What we had was a statement from the Russian Defense Ministry saying that this attack happened early this morning and was carried out by underwater and aerial jones and they said that the target was the headquarters of the Black Sea fleet in Sevastopol and a mine sweeper had sustained minor damage.

So again, the Ukrainians haven't commented on these claims, but we've seen in recent weeks that Crimea has seen a number of explosions, attacks.

I think the most recent was the explosion that hit the Crimea bridge and that obviously led to a massive response by Russia targeting cities across Ukraine and Crimea was annexed by Russia in 2014.

The Ukrainians have been saying that they want to take back all territory that the Russian occupation, including Crimea, which has special significance for President Putin Russia says it's suspending participation in a U.

N.

Brokered agreement that allows grain exports from Ukraine.

In response to that drone attack in Crimea, Russia's foreign Ministry said Moscow can no longer guarantee the safety of civilian ships involved in moving Ukrainian grain exports via the Black Sea.

The United Nations is in contact with Russian authorities, calling the Black Sea Grain Initiative a critical humanitarian effort.