Complex sentence: He tries to blame Alchemax, but his accusations are swiftly rebuked by Liz Allan who appears via video link declares that Alchemax is severing all ties with Jameson.
Split into simpler sentences: He tries to blame Alchemax, but his accusations are swiftly rebuked by Liz Allan who appears via video link. Liz then declares that Alchemax is severing all ties with Jameson.