Less than four minutes into the flight, the upper-stage Starship failed to separate as designed from the lower-stage Super Heavy, and the combined vehicle was seen flipping end over end
People in the center of Israel reported seeing an especially bright meteor.
Cassiopeia A is the youngest known supernova remnant in the Milky Way Galaxy. NASA's James Webb Space Telescope was able to view it in greater detail than previous observations.
Firefighters were continuing to tackle the blaze and 80 people have been evacuated, according to the rescue services.
Several airstrikes attributed to Israel by foreign reports have struck Syria throughout the week. Some reportedly killed IRGC members in the country.
A St Petersburg website said the explosion took place at a cafe that had at one time belonged to Yevgeny Prigozhin, founder of the Wagner private army that is fighting for Russia in Ukraine.
The blast occurred in the center of Kireyevsk, located some 220 km (140 miles) south of Moscow.