All three security alerts in Londonderry are hoaxes: N. Ireland police

The three security alerts in the city of Londonderry on Monday have ended, Northern Ireland police said early on Tuesday. "We can confirm that all three alerts are hoaxes however we cannot underestimate the impact these incidents have had on our community," the police tweeted https://twitter.com/PSNIDCSDistrict/status/1087520231327784960.