Bulgaria Bus Crash Kills Dozens – The New York TimesNovember 22, 2021 by quixnetBulgaria Bus Crash Kills DozensThe New York TimesAt least 45 people killed in Bulgaria bus crashReutersBulgaria bus crash: Children among at least 46 killedBBC NewsBus crash in Bulgaria kills at least 45 peopleFox NewsBus crashes, catches fire in Bulgaria; at least 45 deadNew York Post