Across the globe, risks of terrorism and other violence have made tight security at hotels and resorts routine, even in countries where strict gun control laws may help prevent the kind of shooting attack that occurred Sunday night in Las Vegas.
New York Police Department officers perform a security sweep on runners arriving to take part in the New York City Marathon. (Reuters)
An illustration picture shows a bag with electronics on the screen of an X-ray security scanner, April 7, 2017. (Reuters)