Leading US banks are under pressure from New York state’s insurance regulator to provide as much as $15bn to support struggling bond insurers, people familiar with the matter said on Wednesday night.

Eric Dinallo, New York insurance superintendent, held a two-hour meeting with bank executives on Wednesday and urged them to provide as much as $5bn in initial capital to support the insurers – the largest of which are MBIA and Ambac – and ultimately to commit up to $15bn.