Ambassador Kosh's ship arrives at the Epsilon III Jumpgate two days ahead of schedule. Upon leaving his ship the Minbari assassin approaches Kosh in the guise of Jeffrey Sinclair, whom Kosh recognises as Entil'Zha Valen. When he extends a hand in greeting to his 'old friend' the Minbari slaps a skin tab dosed with Florazyne, causing Kosh to collapse and lose consciousness

Oh no.