LONDON (AP) — Britain's Brexit Secretary has urged rebellious Conservative lawmakers to stop attacking Prime Minister Theresa May and "play for the team."

Dominic Raab also said that talks about the U.K.'s exit from the European Union must be tied up by the end of next month to allow enough time for new laws to be put in place.

Many of May's pro-Brexit Conservative members are angry after she said she would consider extending a transition period that kicks in after Britain exits the EU on March 29. Raab told the BBC on Sunday such an extension mustn't run indefinitely, and it must resolve the question of the Irish border, a key sticking point stalling negotiations.

Raab said it was "understandable that there are jitters" but urged fellow Conservatives to "hold our nerve."