Ukrainian President Volodymyr Zelensky has removed his former chief of staff Andriy Yermak from the National Security Council amid a sprawling corruption investigation that has rocked Kiev. Yermak is also no longer a member of the Stavka, the high command of Ukraine's armed forces, according to two presidential decrees published on Friday.

By Will Dunham WASHINGTON, Dec 4 (Reuters) - Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus.

Authorities said there was "no new tip [or] witness" that led to the breakthrough.