Trump faced criticism from across the political divide after at least $1.5 million in federal funds was spent on TV ads. Move comes after ethics experts criticised three nationally broadcast ads and called for independent investigations. Key points and original sources are listed below.

• Trump faced criticism from across the political divide after at least $1.5 million in federal funds was spent on TV ads. He says his MAGA Inc. super PAC will pay for future ads.S1

• Move comes after ethics experts criticised three nationally broadcast ads and called for independent investigations.S2