There are social media reports of an “active shooter” situation in Linden, N.J., next door to Elizabeth, where the authorities have been seeking Ahmad Rahami.

“I just heard three rounds of shots,” the Twitter user juh•me•cuh wrote shortly before 11 a.m., adding that the police had urged residents to stay indoors.

https://www.twitter.com/blissfulVILLAIN/status/777883684590477313

Breaking News Network, a service that monitors police scanners, reported at 10:50 that two police officers had been shot but that the extent of their injuries was unknown, and that one person was in custody.