March 12 (Reuters) - The following are the top stories on the New York Times business pages. Reuters has not verified these stories and does not vouch for their accuracy.

- U.S. President Donald Trump's increased tariffs on steel and aluminum imports took effect on Wednesday.

- Manchester United MANU.N plans to build a new 2-billion-pound ($2.58 billion) 100,000-seat stadium that will be the biggest in Britain, next to the existing Old Trafford.

- U.S. Transportation Secretary Sean Duffy said the agency will make permanent restrictions to prevent helicopters from flying near Washington Reagan National Airport when two lesser-used runways are operational, a move that followed a mid-air collision in January that killed 67 people.

- U.S. Health Secretary Robert Kennedy Jr. told executives of major food companies that he wants synthetic colors removed from their products.

($1 = 0.7742 pounds)

(Compiled by Bengaluru newsroom)

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