Gali Nahari, who took up position in charge of recruitment and training 3 months ago, says conditions don't allow her to do her job

Media outlets point to dispute as true reason for departure, as minister faces criticism over unfulfilled promises of greater security

The new CEO has come under fire for radical changes at the social media company; in recent days he said anyone not willing to work intense, long hours should quit

Samir Mahamed takes full responsibility, says post 'shouldn't have been sent out,' but reverses course on leaving position after pressure from supporters