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Gov. Gary Herbert has signed all the bills passed in special session last week by the Legislature — including one allowing "neutralizing" aerial drones that threaten mid-air crashes with air tankers fighting wildfires.

Other bills include one to put up $10 million of state money for a new 10,000-seat arena at the Utah State Fairpark, and another creating tax breaks to lure large data centers to the state — seen as bait to hook a massive Facebook operation that apparently is considering locating in Utah.

The drone bill came after air tankers fighting the large Saddle Fire in southwestern Utah were grounded several times this summer because of meddlesome drones. It forced some tankers to dump retardant away from the fires to reduce their weight so they could land safely.

The bill beefs up penalties for flying drone near wildfires, allows "neutralizing" them — essentially shooting them down or jamming them electronically — and allows forcing pilots reimburse for fire damages and other costs caused by drone interference.

"Public safety has always been my top priority and this new law will allow us to more effectively fight wildfires," Herbert said in a statement. "We are not going to tolerate reckless drone interference during wildfire season."

The Fairpark bill allows the Division of Facilities Construction and Management to start construction on the new arena, which officials aim to complete by next July. They want it to host the Days of '47 Rodeo next year, because the Vivint Smart Home Arena will be undergoing renovations.

The total cost of the arena is $17 million, but the state is paying only $10 million. The LDS Church is donating $3 million, another $1 million is coming from private donations and $3 million from Salt Lake City and Salt Lake County. It is viewed as a way to make the Fairpark more self-sufficient by attracting more concerts and events.

"The State Fair is a great example of Utahns from every part of our state coming together — rural and urban, Republican and Democrat," Herbert said. "I appreciate the partnership between local governments and the private sector that has made this facility possible. Many wonderful community events will take place here in the years to come."

Another bill provides a sales-tax exemption to companies that build sprawling data centers — an apparent bid to entice Facebook, which is considering putting such a center in either Utah or New Mexico.

The Facebook data center would mean an estimated $250 million to $500 million in construction costs in its initial phase and generate 80 to 100 jobs. State officials have not confirmed whether they have been in negotiations with Facebook, but have said the bill would help the state attract such facilities. They were among eight bills passed by the Legislature. Most of the rest were technical revision bills.