Does 'Another commercial aircraft in the vicinity then radioed in with reports over the radio of a commuter plane hitting the World Trade Center.' stand independently of the premise 'Reports came in from one airplane and one agency nearby with news of a plane hitting the World Trade Center.', neither following nor contradicting it?
Another commercial aircraft in the vicinity then radioed in with reports over the radio of a commuter plane hitting the World Trade Center.###Reports came in from one airplane and one agency nearby with news of a plane hitting the World Trade Center.