At least one person had life-threatening injuries and three arrests were made after the incident unfolded at Phoenix Sky Harbor Airport on Christmas.

A shooting and stabbing on Christmas night at Phoenix Sky Harbor International Airport has prompted questions about firearm rules and security.

By Allan Stein Contributing Writer Three people suffered gunshot injuries and one person was stabbed during a Christmas evening fight at Phoenix Sky Harbor International Airport, according to police.

Yet another stowaway managed to board a major airline’s plane – renewing serious questions and concerns about airport safety during the busiest travel season of the year.

This incident comes less than a month after another unticked passenger managed to make it aboard a Delta flight from New York to Paris where they were arrested once the plane landed

A Delta Air Lines flight at Seattle-Tacoma International Airport was involved in yet another stowaway incident. The event, which took place on Christmas Eve, has rekindled concerns regarding airport safety procedures and screening policies.

Fog is continuing to disrupt flights at Gatwick Airport with restrictions imposed to maintain safety. On what is expected to be the airport's busiest day of the Christmas period, it said some flights "may be delayed throughout the day" due to "poor visibility" and apologised to customers.

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Disruption is continuing at some of the UK's busiest airports as thick fog blankets the country.

Disruption caused by thick fog is expected to continue at London's Gatwick Airport on Sunday – its busiest day of the Christmas holidays. Nats, the UK’s main air traffic control provider, said temporary air restrictions will continue on Sunday because of low visibility in airports affected by fog.