Israel's police chief says arrests have been made in connection with raging forest fires in Haifa and the West Bank. <br /> <br />Tens of thousands of residents have been evacuated and more than a hundred people have suffered injuries since the fires began on Tuesday (November 22). <br /> <br />Press agencies report four Palestinians were detained for questioning. <br /> <br />The police refused to comment on whether or not arsonists had deliberately started the initial blaze which has engulfed Israel's third largest city.