Proponents of sex trafficking bill urge tech companies to drop opposition

Companies including Google have lobbied against bill that would hold websites liable for publishing information 'designed to facilitate sex trafficking'

A bill to combat sex trafficking that has pitted US lawmakers against Silicon Valley was at the center of debate on Tuesday, as one Republican senator decried the selling of human beings online as "one of the dark sides of the internet".

Related: History will judge those who don't stop sex trafficking | Rob Portman