hundreds marched down the streets. >> meantime, back in baltimore, the crowds were mostly peacefully marching on wednesday. police say they arrested about 18 people on wednesday, 35 on tuesday. far fewer, of course, than on monday night when the riots began and about 235 foot people were arrested. baltimore police have been investigating fredy gray's death. he is, of course, the man you see right there who inspired all these protests. they are expected to have a report for the state attorney's office by friday. from there, prosecutors will decide whether charges should be filed. and a first for major league baseball, the orioles and a chicago white sox played baseball in an empty stadium on wednesday. officials decided to shut out fans at camden yard because of rioting earlier this week. the orioles beat the white sox, 8-2. baltimore's manager weighed in earlier on what was an unusual matchup.