Complex sentence: On April 28,1944 the Hungarian Gestapo raided the Ambassador's home arresting his guests, the Ambassador physically resisted the police, was also arrested, but managed to have his guests released on the grounds of ex-territorially of diplomatic legations.
Split into simpler sentences: On April 28,1944 the Hungarian Gestapo raided the Ambassador's home, arresting his guests. The Ambassador, who physically resisted the police, was also arrested, but managed to have his guests released on the grounds of ex-territoriality of diplomatic legations.