US Ambassador to India Richard Verma on Friday apologised to superstar Shah Rukh Khan after he revealed on microblogging website Twitter that he was detained by US immigration department in Los Angeles airport.

"Sorry for the trouble at LAX @iamsrk. We are working to ensure it doesn’t happen again. Your work inspires millions, including in the US," Verma wrote on Twitter.

Earlier, US Assistant Secretary of State for South and Central Asia Nisha Biswal also replied to the star and apologised for the inconvenience.

"Sorry for the hassle at the airport, @iamsrk – even American diplomats get pulled for extra screening!" Biswal wrote.

Shah Rukh said that getting detained "every damn time really sucks". However, on a funnier note he added that he caught Pokemons at the airport. 

"I fully understand and respect security with the way the world is, but to be detained at US immigration every damn time really really sucks," SRK posted.

In another tweet he wrote, "The brighter side is while waiting caught some really nice Pokemons."

This is not the first time that the US immigration department has detained the star. In 2012, while Shah Rukh was on his way to address students at Yale University, he was detained for 90 minutes at the White Plains airport near New York. In 2009, he was questioned for two hours at Newark airport and was released after the Indian embassy intervened. 

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Shah Rukh Khan catches Pokemons as Los Angeles officials detain him