“Foreign substances have been found in another lot of the Moderna coronavirus vaccine. They were spotted at a large vaccination center in the southern prefecture of Okinawa on Saturday.

A pharmacist spotted black substances in a syringe with the vaccination dose.

Later, another syringe and a vial were found to be containing black substances. And pink substances were found in a different syringe filled with vaccine.”

https://www3.nhk.or.jp/nhkworld/en/news/20210829_09/