<sod >The details came out at a time when British law enforcement officials were working to determine if there were more potential terrorists planning further attacks beyond the blast outside of an Ariana Grande concert that killed at least 22 people and left nearly 60 people injured.< eod>< sod > The details came out at a time when British law enforcement officials have been working to determine if there were more potential terrorists planning further attacks beyond the initial attack â and smashing the potential network that assisted in it.< eod>