Todd Maisel / New York Daily News
Yong Lu, 35, is taken from the 72nd Precinct stationhouse in Brooklyn on Sunday. 
The Brooklyn man accused of chopping off his pregnant wife’s arm with a steak knife will face attempted murder and assault charges, cops said Sunday.
Yong Lu, 35, who was busted in Niagara Falls on Saturday, was hauled back to Brooklyn Sunday. He’s accused of hacking off his wife’s right arm below her bicep and cutting off two of the fingers on her left hand inside their 55th St. apartment in Sunset Park on Thursday.
Lu, who bought a life jacket at a Walmart, was planning to swim to Canada, Action Niagara Falls reported.
His wife, Li Yang, was rushed to Bellevue Hospital after the attack, where doctors reattached her arm, police said.
He’s slated to be arraigned in Brooklyn Criminal Court.
