The site was attacked by iconoclasts in the 11th century, once around 1030 CE and again around 1080 CE; the idols suffered and disappeared. No icons have been left in the site except a mutilated sculpture called Divine Couple.
Source, in full
R. Nagaswamy‘s testimony of 2006, quoted in Sharma 2010, Annexure III: 179) Sharma, D.V. (Justice). 2010. Judgement of the Allahabad High Court, Lucknow Bench. also in A Timeline of Ayodhya - Nicole Elfi & Michel Danino, 2014