In the woods, hidden from enemy drones, ambulances wait. Just the sound of birds and the distant rumble of artillery. Medics sit killing time. But by no means for lengthy, because the casualties begin coming.

Sky News had uncommon entry to a discipline hospital behind Ukraine's entrance line. What we witnessed among the many docs and ambulance crews gave clues in regards to the state of the battle.

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It just isn't going in addition to Ukraine had hoped. Its president stated as a lot this week. Ukraine's counteroffensive is becoming bogged down, stalling within the face of a nicely dug in enemy and big numbers of mines.

"Everything here is mined," Eugen, a health care provider, advised us.

"Most of these injuries are caused by artillery shelling, strikes and minefields our guys have to walk through."

The counteroffensive began utilizing NATO provided armour, we had been advised. But anti-tank mines have blocked their advance, corroborating what British intelligence reported this week.

Fighting's bloody toll

Now the preventing is totally on foot. Infantry warfare, going trench to trench, and thru fields thick with mines.

"When the infantry advances, it's completely different," stated Eugen. "They walk on the ground with their feet where there are mines, and we get a lot of patients with amputations and with shrapnel injuries."

That sort of preventing exacts a bloody toll. A soldier arrived from the entrance, his again peppered with shrapnel. We watched docs pluck out items the dimensions of golf balls.

Another had taken a success from a mortar.

Doctors labored with infinite care to avoid wasting his ligaments in an harm deep into his leg. The affected person was a medic himself.

Vasyl advised us he had solely been on the entrance three days when the Russians attacked.

"It was a mortar attack," he stated. "We had just arrived and had to go to our position. We're an assault brigade.

"We had been alleged to go to the place, and drones began flying and bombing us."

What was he thinking, we asked.

"That I needed to get again residence. To do my job and return residence."

Then a red case arrived, as they call a patient with life-threatening injuries. Caught in an explosion, Anatoly was badly burned over half of his body.

"The condition of the patient is serious," the physician advised us, "taking into account thermal burns - head, upper limbs, back completely, lower limbs. Well, the condition is critical."

Will he be OK, we requested?

"Well, we always hope."

He wanted pressing intervention. After the important work of stabilising him, he was transferred to an ambulance.

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Aid group offering ambulances 'wants extra assist'

The harmful work of racing troopers from behind the entrance line to navy hospitals just isn't accomplished by the military. A fleet of ambulances run by the help organisation MOAS fills the function.

In a earlier life it rescued refugees at sea within the Mediterranean and Aegean however has now switched absolutely to Ukraine.

Its ambulances are quick and small, excellent for dodging the risks of battle, customised with life-saving tools.

Its founder is American entrepreneur and humanitarian Chris Catrambone, who has sunk tens of millions of {dollars} of his personal cash into its work and persuaded others like him to observe. MOAS has stayed low profile throughout this battle, however want extra assist now and gave Sky News unique entry to its work.

Mr Catrambone stated: "As the war goes on and on the needs are going to become more and more and that means qualified medical personnel equipment and things are wearing out.

"It's shifting. Things are wanted to maintain up the tempo."

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The work is perilous however important. The MOAS ambulance carrying Anatoly lastly reaches its vacation spot, a navy hospital with a specialist burns unit. It offers him the perfect possibilities of survival, we're advised.

Ukraine doesn't reveal casualty figures and entry to the entrance line is tightly restricted. But in a day's filming behind the strains, we had a way of what its troopers are going by means of.

What is evident is the counteroffensive just isn't sweeping by means of Russian strains. It is heavy going.

A breakthrough can't be taken as a right. What appears sure is an extended sizzling summer season of nasty warfare in trenches and minefields.