Update: Snyder veto is final

LANSING, MI - Gov. Rick Snyder on Tuesday will veto legislation that would allow gun owners with extra training to carry concealed handguns into public schools, public arenas and other so-called gun-free zones now off limits, according to the sponsor of the bill.

Sen. Mike Green, R-Mayville, said he received a call from Snyder's senior adviser Dick Posthumus in the morning to say he would veto the legislation later in the day.

Snyder, who already had concerns with the bill before it won final passage from the Legislature, has come under increasing pressure from opponents of the legislation in the wake of the massacre in Newtown, Conn. School administrators, teachers, hospitals and religious leaders are among those that asked for a veto.

The measure reached his office at 1:03 p.m. Tuesday. Snyder indicated to MLive reporters Monday that the bill gave him "clear pause" in the wake of the shootings.

The legislation would allow hidden firearms in gun-free zones, if concealed permit holders undergo extra training. It also would end the little-known - but legal - contradiction allowing permit holders to have guns openly there.

Michigan prohibits people licensed for concealed weapons from carrying them in a concealed way in schools, day care centers, sports arenas, bars, places of worship, hospitals, dorms and casinos.

The bill - part of a broader effort to modernize the concealed pistol license law - would let private owners in gun-free zones still decide on their own to prohibit concealed handguns.

Related: Debate - Should Snyder have approved the bill?

A sticking point became what to do about public schools, public hospitals and arenas run or owned by public authorities.

Snyder wanted wording saying they could post signs barring guns under the state's trespassing law. Green and other Republicans said doing so would have opened up Michigan to court rulings saying communities could preempt state firearms laws.

"We cannot have different laws in every community," Green said. "There has to be a standardized state law where every building was the same."

He mentioned that a city like Ann Arbor, for instance, could decide to prohibit concealed weapons entirely if Snyder's proposed amendment had been added.

Email David Eggert at deggert1@mlive.com and follow him on Twitter @DavidEggert00