NEW : The arrest comes as violence has reached its worst levels since the height of the Iraq War , when sectarian fighting pushed the country to the brink of civil war . A curfew has been imposed in Ramadi until further notice , police say . Ahmed al-Alwani , a prominent Sunni politician , is arrested in a raid on his home . Comment: The government issued an arrest warrant for al-Alwani for allegedly inciting sectarian strife .
NEW : A curfew has been imposed in Ramadi until further notice , police say . Ahmed al-Alwani , a prominent Sunni politician , is arrested in a raid on his home . Comment: The government issued an arrest warrant for al-Alwani for allegedly inciting sectarian strife .