Mumbai/IBNS, June 13 -- Bollywood actress Karisma Kapoor's ex-husband and businessman Sunjay Kapur died of heart attack on Thursday.

He was 53.

As per reports, Sanjay passed away while playing polo.

After the news emerged, Bollywood stars Kareena Kapoor Khan and Saif Ali Khan, who are Karisma's sister and brother-in-law respectively, rushed to the actress' residence late at night to support her.

Kareena and Saif, who were seen outside Karisma's residence, were seen in a sombre look as the Kapoor family grieves.

Actresses Malaika Arora and Amrita Arora, who are close friends of the Kapoor sisters, were also spotted reaching Karisma's place.

Karisma had tied the knot with Sunjay in 2003. The two reportedly sought a divorce in 2005.

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