Controversy grows after Musk engages with tweets criticizing Twitter staff

Acquisition agreement allows Musk to tweet about deal but not to disparage firm or its representatives

Controversy grew on Wednesday over tweets from Elon Musk engaging with criticism of Twitter employees, despite a promise from the entrepreneur not to disparage" the company or its representatives while he completes the deal to acquire the social media platform.

The world's richest man agreed to restrictions on his tweets as part of a 95-page agreement covering his $44bn acquisition filed on Tuesday.