In addition to the children's hospital in Ukraine's capital, there's been a number of strikes across the country today. Here's a quick rundown of what we know so far:

In Kyiv:

• Ohmatdyt Children's Hospital was hit - the city's mayor Vitaliy Klitchsko says two people were killed here, including one "young woman doctor"
• Missile debris fell on a separate medical centre in the Dniprovsky district of the city, the mayor says, with seven people thought to be killed
• He adds that another seven were killed at a business centre in the capital's Solomyansky district

Elsewhere:

• At least ten people have died in strikes on the central Ukrainian city of Kryvyi Rih
• While three more have died in Pokrovsk, a town in eastern Ukraine

Vitaliy Shevchenko
Russia editor, BBC Monitoring

We've just heard from Ukraine's health minister, who says Ohmatdyt Chidren's Hospital is being evacuated after losing electricity, oxygen and water supplies.

Children being treated there are being moved to other hospitals, Viktor Lyashko says.

"The most important thing today is not to panic but help save as many lives as possible," he tells Ukrainian TV in an interview at the site of the hospital.

The minister adds that three surgeries were being performed at the time of the attack.

"It’s an awful act of terror, and I get tearful seeing how many people have come to help us clean up," he tells reporters at the scene.

Vitaliy Shevchenko
Russia editor, BBC Monitoring

Seven people are also believed to have been killed as missile debris fell on a different hospital in Kyiv’s Dniprovsky district, the city's mayor has confirmed.

Vitali Klitschko says another seven people were killed at a business centre in the capital's Solomyansky district.

In a post on the Telegram messaging platform, he adds the Ohmatdyt Children's Hospital death toll remains at two people.

Both of the dead are adults, Klitschko says, one of whom was a young female doctor. He adds that 16 people, including seven children, were injured there.

Speaking to the BBC separately about the attacks, he accuses Russia of carrying out a "genocide" against Ukrainians.

"The whole world sees how Russian missiles and Kamikaze drones killed Ukrainian citizens in our peaceful city," Klitschko says.

Zhanna Bezpiatchuk
BBC Ukrainian, reporting from Kyiv

As we've been reporting, the Ohmatdyt Children's Hospital is the largest hospital of its kind in Ukraine.

It also has the reputation for being one of the best treatment centres for children with blood cancer in Central and Eastern Europe.

From what we’ve seen so far, the main buildings have been partially destroyed. And many of the medical wards and units treating the most ill children will have been lost, too.

At the moment, it’s hard to tell whether or not the damage to the hospital was as a result of fragments of a missile or a direct, targeted hit.

Either way, the impact is enormous and there will have to be a full investigation carried out.

Volodymyr Zelensky has accused Russia of deliberately targeting the Ohmatdyt Hospital, which he described as among the most important children's hospitals in Europe and Ukraine.

In a post on social media, Ukraine's president writes:

So far Ukrainian authorities have reported at least 31 people have been killed in the Russian attacks today, with more than 150 others injured.

The most recent reports say 17 were killed in the capital of Kyiv - including two at the children's hospital - and 11 more in several places in the Dnipropetrovsk region.

Where the remaining three were killed is not yet clear.

It is important to emphasise that the overall death toll is likely to rise, given the scale of the strikes and the damage inflicted.

Ukrainian officials are reporting that they believe people are trapped under the rubble, which is being searched as part of recovery operations at the hospital and other targets.

Image source, EPA

About 20 children were being treated in the Ohmatdyt Children's Hospital ward hit by a Russian missile this morning, hospital officials have told Ukrainian media.

Lesia Lysytsia, a doctor at the children's hospital in Kyiv, spoke to the BBC about the the moment the missile struck - describing it as being "like in a film" with a "big light, then an awful sound".

"One part of the hospital was destroyed and there was a fire in another. It's really very damaged - maybe 60-70% of the hospital," she says.

Pictures from the scene showed young children - some with IV drips - sitting outside the hospital as it was evacuated.

Lysytsia says Ohmatdyt is a big hospital which carries out many functions, including cancer treatment and organ transplants.

Kyla Herrmannsen
Reporting from Kyiv

As we just reported in a our previous post, volunteers from across the capital have begun delivering aid to the front door of Ohmatdyt Children's Hospital in Kyiv.

Here, you can see in the pictures the fast response of Ukrainians mobilising across the city.

Kyla Herrmannsen
Reporting from Kyiv

A large rescue operation is still under way here at the Ohmatdyt Children's Hospital.

Most of the windows of the large hospital have been blown out and there’s shattered glass and debris all over the exterior of the building.

The air is thick with dust as pick-up trucks and fork lifts clear the debris.

Volunteers are hard at work assembling water, packets of biscuits and other essentials.

Image source, EPA

Here’s what we know so far about Russia’s deadly strikes on Ukraine this morning:

• Ohmatdyt Children's Hospital in Kyiv, the largest paediatrics facility in Ukraine, has been seriously damaged
• At least 17 people in the capital city have been killed, with two confirmed at the hospital, but more are believed trapped under rubble
• The overall death toll in Ukraine as a result of Russia’s barrage is currently 31, with 11 also killed in strikes on the central region of Dnipropetrovsk
• Ukraine’s president Volodymyr Zelensky has said more than 40 missiles of various types had been used in the morning barrage
• He said Russia should face consequences for the strikes, which also damaged residential buildings and other civilian infrastructure
• Hospital officials told Ukrainian TV that about 20 children were being treated from the ward that was hit
• A doctor working there described the attack as being like in a film, with a bright flash of light followed by an “awful sound”
• She tells the BBC that around two thirds of the hospital is badly damaged, including one part entirely destroyed

A children’s hospital in Ukraine's capital was hit in a major Russian missile strike across the country earlier this morning.

At least 31 people have been killed across Ukraine, including two adults at the Ohmatdyt Children's Hospital - Ukraine's biggest paediatrics facility.

Photos from the scene show major damage to the hospital and children sitting outside the facility as it was evacuated.

Elsewhere, strikes in the central Ukrainian city of Kryvyi Rih have killed at least 10 people, according to the head of the military administration there, while three more died in the eastern town of Pokrovsk and one in Dnipro.

Ukrainian President Volodymyr Zelensky, who is visiting Poland, has vowed to retaliate.

The attack comes as Indian Prime Minister Narendra Modi arrived in Moscow for a two-day state visit and is due to hold talks on Monday with President Vladimir Putin at the Kremlin.

Stick with us as we bring you the latest updates and analysis from our newsroom in London and our correspondents in Ukraine.