However, witnesses said some of the black-clad gunmen who attacked a police station and government buildings in Baquba, 60 km (40 miles) northwest of Baghdad, proclaimed loyalty to Zarqawi and wore yellow headbands linking them to his group.
people said the black clad gunman who attacked  and killed police  were following  ZArqawi from baghdad
they were from 40 miles of bagdad
( z1 say :ARG0 ( z2 person ) :ARG1 ( z3 follow :ARG1 ( z4 gunman :ARG1-of ( z5 clad :ARG2 ( z6 black ) ) :ARG0-of ( z7 attack :ARG1 ( z8 police ) ) :ARG0-of ( z9 kill :ARG1 z8 ) ) :ARG2 ( z10 person :name ( z11 name :op "ZArqawi" ) :source ( z12 city :name ( z13 name :op "Baghdad" ) ) ) ) )