What made Vivek Oberoi uncomfortable?

It seems like Vivek Oberoi still feels uncomfortable at the mention of Salman Khan. In 2003, Vivek had called a press conference where he alleged that he was being threatened by Salman. Since that day, Salman has avoided Vivek. Over the years, Vivek has tried to apologise to Salman but hasn't got a favourable response from the latter.
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At a recent press conference, when the 'Saathiya' actor was asked if he would want to mend things with Salman and become friends with him again, the actor avoided answering the question and walked off by saying only a 'Thank you', as reported in The Indian Express.
Awkward, we must say.