UK government spokesman James Slack's remarks:

• Says May is to make a Brexit statement to parliament on Tuesday to give lawmakers an update on Brexit negotiations
• Government committed to bring vote on Brexit deal as soon as possible, but will not be this week
• Government will take whatever steps necessary for Britain to leave the EU on time
• Rules out Corbyn's proposal on Brexit customs union with the EU (UK must have an independent trade policy after Brexit)
• Says that UK economy continues to grow and remains fundamentally strong