Facebook Denies Attack Brought Down its Site

BANGALORE—Facebook and Instagram were down temporarily late Monday, suggesting that common infrastructure used by these services was hit. Facebook later said the problems were its fault.

”We’re aware of an outage affecting Instagram and are working on a fix. Thank you for your patience,” Instagram said in a Twitter message, which was deleted after the service was restored. 

Users in various parts of the world were reporting that Facebook was down. People accessing Facebook�