Chancellor Angela Merkel’s Conservatives have suffered their second electoral blow in two weeks, according to exit polls.<br /><br /> Support for her Christian Democrats (CDU) has plunged to a post-reunification low in a Berlin state vote.<br /><br /> The anti-immigrant Alternative for Germany (AFD) polled 11.5 percent, an exit poll by broadcaster ARD suggests.<br /><br /> The result means the AFD will enter a 10th state assembly, out of 16 in total.<br /><br /> Merkel’s CDU polled 18 percent, down from 23.3 percent in the last election in 2011.<br /><br /> The centre-left Social Democrats (SPD) remain the largest party on 23 percent. <br /><br /> It is a severe blow for the CDU, coming two weeks after they suffered heavy losses in the eastern state of Mecklenburg-Vorpommern.<br /><br /> The setbacks have raised questions about whether Merkel will stand for a fourth term next year.<br />
