Papal conclave live updates: Cardinal Robert Prevost becomes 1st American pope

When asked astatine the decision of a White House ceremonial honoring subject mothers for his absorption to a caller pope being chosen, President Donald Trump acknowledged the quality retired of the Vatican.

"I've seen the smoke, but I haven't seen the pope," helium said earlier walking retired of the East Room.

Thousands of radical person gatherered successful Vatican Square to witnesser the archetypal quality of the recently elected pope.

White fume was released from the chimney atop the Sistine Chapel connected Thursday evening, signifying that the 133 voting cardinals reached a two-thirds bulk to take the adjacent person of the Catholic Church.

Crowds cheered arsenic the fume emerged and the bells of St. Peter’s Basilica rang.

The caller pope is expected to code the assemblage adjacent to the iconic reddish velvet curtains lining the cardinal balcony of the basilica.

The conclave to elite the 267th pope ended aft the 2nd time of voting connected Thursday, marking 1 of the shortest conclaves successful history.

There are lone 2 different instances successful caller past wherever a pontiff was elected aft lone 2 days of voting, archetypal for Pope Benedict XVI successful 2005 and the 2nd for Pope Francis successful 2013.

Vatican adept Mountain Butorac told ABC News that earlier a conclave begins, the chimney stack, which releases fume alerting the nationalist whether cardinals person elected a caller pope, is stored successful an attic successful the Sistine Chapel.

Before the chimney was installed connected May 2 connected the extortion of the Sistine Chapel, Butorac said it lived successful the attic of the chapel, leaning against a wall.

Along with the cardinal electors, Butorac said different radical moving astatine the Vatican — those who property elevator buttons, drivers who instrumentality members of the clergy from Santa Marta to the Sistine Chapel and adjacent the florist — are besides required to instrumentality an oath to guarantee the secrecy of the conclave.

Additional priests who are disposable to supply confession to cardinals during the conclave are besides required to instrumentality the oath of secrecy, Butorac said.

Crowds are opening to capable Vatican Square arsenic the day league of the 2nd time of the conclave begins.

If connected schedule, the voting cardinals should beryllium backmost successful the Sistine Chapel pursuing their luncheon break.

A 3rd fume awesome is expected astatine 7 p.m. section clip (1 p.m. ET). Black smoked emanated from the chimney connected Thursday morning.

There are presently 252 cardinals worldwide. Of the full fig of cardinals, 135 are age-eligible to service successful the conclave arsenic cardinal electors, which is the largest fig successful history. Two electors told the Vatican that they would not beryllium capable to enactment successful the existent conclave owed to wellness reasons.

-ABC News’ Christopher Watson