A logo of Pfizer is seen at the entrance to the Pfizer factory in Puurs, Belgium December 3, 2020. REUTERS/Yves Herman

(Reuters) -Pfizer on Friday filed a lawsuit against Metsera and Novo Nordisk, accusing them of breaking a merger agreement and interfering with the deal.

(Reporting by Kamal Choudhury in Bengaluru; Editing by Anil D'Silva)