LVIV, Ukraine (Reuters) – As Ukraine mourns its dead, scores of empty strollers were lined up in the cobbled central square of the city of Lviv on Friday to commemorate the children killed in the country since Russia’s invasion. Lviv city hall placed 109 strollers, or prams, in neat rows – one for each child killed since the start of the war, according to Ukrainian authorities. Two stuffed teddy bears were laid in a bright blue baby carrier. A little girl sitting on a bench held a small Ukrainian flag. Lviv in western Ukraine has drawn hundreds of thousands of Ukrainians seeking shelter away f…