Jake Kanter International TV EditorA BBC journalist’s Zoom video call captured the dramatic moment that the Lebanese capital of Beirut was rocked by a giant explosion at the city’s port on Tuesday.BBC Arabic journalist Maryam Toumi was conducting an interview from the BBC’s office in Beirut, which is around 1.5 miles from the epicenter of the explosion, which has killed at least 70 people and injured thousands of others.A recording of the call, posted by the BBC News press team, shows Toumi in