Washington, June 26 : Singer Lisa Marie Presley is heartbroken after learning about ex-husband Michael Jackson's death following an apparent heart attack.

The 41-year-old songtress married the king of pop in August 1994 but split 20 months later.

"I am so very sad and confused with every emotion possible," Usmagazine. com quoted Presley as saying in a statement.

"I am heartbroken for his children who I know were everything to him and for his family. This is such a massive loss on so many levels, words fail me," she added.

Jacko, 50, reportedly suffered a massive heart attack due to drug overdose.

The Thriller hitmaker collapsed and stopped breathing after he took an injection of a powerful painkiller named Demerol.

An emergency call made paramedics rush to his Los Angeles home where they found he had no pulse. (ANI)