Bill Corgan's mother-in-law was injured after a car drove through his teahouse, Madame ZuZu's, in Highland Park, Illinois, on Wednesday.

The 57-year-old Smashing Pumpkins singer – married to Chloe Mendel – made the announcement on behalf of his wife in an Instagram post shortly after the accident.

According to Corgan's post, his mother-in-law was at the tea and coffee shop having lunch with her son Augustus Juppiter Corgan, 8, who was uninjured in the incident.

“This afternoon at Madame ZuZu’s a car (under circumstances still under investigation) drove over the curb and into Madame ZuZu’s, crashing through the window and sadly injuring one person – my mother Jenny; who spent the day with my son Augustus and had lunch,” explained Mendel's statement, which the rocker shared.

“Fortunately he was able to jump out of the way and was not injured,” it continued. “Our family is grateful for the quick response from Highland Park and Deerfield first responders.”

Corgan's Tea Shop at 1876 First Street remains closed until further notice.

The Smashing Pumpkin co-founder did not disclose the extent of his mother-in-law's injuries or her condition following the accident; However, according to The Record, two people – including the driver – were taken to hospital.

The Post has reached out to Corgan's representative for comment.