Oil prices tumbled in the international market on Monday, stressed by governments around the world deepened lockdowns to curb the spread of the coronavirus outbreak. Brent crude slipped 4%, to $25.89 a barrel. US WTI crude slumped 0.7%, at $22.48 a barrel. The market is struggling with the twin shocks of the demand decline due to the coronavirus pandemic and the unexpected oil price war between Russia and Saudi Arabia.