Bill Cooke of NASA's Meteoroid Environmental Office said the widely-reported flash in the sky was probably "a single meteor event." He told the Associated Press:
[It] looks to be a fireball that moved roughly toward the South East, going on visual reports.
Judging from the brightness, we're dealing with something as bright as the full moon.
The thing is probably a yard across. We basically have [had] a boulder enter the atmosphere over the North East.
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Friday will be largely dry with a mixture of cloud and some sunny spells, the best of these in the morning.
Thousands of cancer patients are dying in hospital every year against their wishes, according to a new report.
The Cancer Drugs Fund, which cost £1.27 billion, didn't deliver "meaningful value" to patients - and even put some at risk of side effects.