I'm standing on a rooftop looking out on Lviv on day 48 of Russia's brutal and bloody

invasion of Ukraine and Jake Tapper. Welcome to the special broadcast of the lead live

from Western Ukraine. We're covering two major stories this afternoon in New York City.

Please say a suspect is still on the loose after a terrifying gun and smoke bomb attack

on the subway this morning just before 8.30 a.m. at least 29 people were injured, 10 of

whom were shot, five remain in critical condition at this hour. The New York police commissioner

says a man wearing a gas mask took a can of thread of his bag and then started shooting

as smoke filled the subway. I will have much more on that in a moment back here in Ukraine.

It is a rush to evacuate civilians from the eastern part of the country as clearer

signs emerge that Russia is ramping up its preparations for a full-scale attack on the

eastern region. Ukraine's deputy prime minister says nearly 3,000 civilians were able to

flee today from some of the city's most affected by fighting, including Marialpul and

Burdiansk. CNN has obtained this new video of fighting in Marialpul earlier today. You

can see the black smoke rising from residential areas outside a shipping yard. And another

new video posted to social media shows a large column of Russian armored vehicles and trucks,

carrying soldiers and equipment. This was filmed inside Russia right across the border from

Ukraine's Donbass region. Today the Pentagon confirmed the U.S. is looking into reports

that Russian forces have used what may be a chemical weapon in Marialpul. The military

governor of the region says three people were taken to the hospital but are expected to

survive. In his latest address, Ukrainian president Vladimir Zelensky assured the world that

Ukrainian forces can end this siege of Marialpul, but only if the West sends more heavy

weaponry and soon. If we got jets and enough heavy armored vehicles, the necessary artillery,

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