 Complete the following phrase:  In February, his house Ainola was searched twice by the local Red Guard looking for weapons. During the first weeks of the war, some of his acquaintances were killed in the violence, and his brother, the psychiatrist Christian Sibelius, was arrested because he refused to reserve beds for the Red soldiers who had suffered shell shock at the front. Sibeliuss friends in Helsinki were now worried about his safety. The composer Robert Kajanus negotiated with the Red Guard commander-in-chief Eero Haapalainen, who guaranteed Sibelius a safe journey from Ainola to the capital. On 20 February, a group of Red Guard fighters escorted the family to Helsinki. Finally, from 12 to 13 April, the German troops 