They also confirmed a 49-year-old man was taken to hospital following the altercation in which he was "struck in the face", and remained in a stable condition. The Associated Press has video of Baldwin leaving the police station.
"As if the phone calls to his daughter weren't bad enough", Donald Trump Jr. tweeted after news of Baldwin's fight. A spokesman for police told WNBC-TV that the "30 Rock" star Baldwin was in custody after the incident in the East Village section of Manhattan.
A representative for Baldwin had no comment when reached by CNN. The actor tweeted that he was taken into custody while "photographers outside my home ONCE AGAIN terrified my daughter and almost hit her with a camera".
Will Baldwin, who also has four young children with his second wife, lose his new ABC show, The Alec Baldwin Show, over this?
Meghan and Harry's tour comes to close
Ms Sergel, who co-founded the Twitter fan account Meghan Markle Daily , said this was the first time the two had met in person. On Sunday, the Duchess wore a white tuxedo dress by New Zealand designer Maggie Marilyn during an event in Wellington .
After the bicycle-related arrest, Baldwin told NY magazine he was ready to quit his public life and leave the city, an hour train ride from where he grew up on Long Island.
He denied punching a newspaper photographer in 2012 who was trying to take photos of him with his then fiancee, yoga teacher Hilaria Thomas. When President Trump was asked about the incident by White House reporters earlier today, he answered: "I wish him luck".