Britain's Prime Minister Boris Johnson gestures during the launch of a general campaign poster at the Kent Showground in Detling, Kent, Britain, December 6, 2019. REUTERS/Peter Nicholls/Pool

LONDON (Reuters) - Britain’s opposition Labour party has increased its support by four points in the last week, cutting the lead held by Prime Minister Boris Johnson to 6%, according to a Savanta ComRes poll published on the Europe Elects Twitter site on Saturday.

The Conservatives were on 42%, unchanged from a survey on Wednesday, with Labour on 36%. Britons got to the polls on Dec. 12.